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Information Wellness Blog

Detailed Reviews and Guides about energy and informational health and wellness

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July 22, 2026|Editorial

Alternative Therapies for Neurological Disorders

Functional Neurology offers an alternative method of neurology management. Recent studies demonstrate its potential, providing individuals suffering from neurologic conditions a holistic and natural solution.

Music therapy has been linked with improved cognitive functioning and can aid in alleviating symptoms associated with cerebral palsy (CP). Acupuncture has also been shown to be a protective intervention with increased activity seen in regions associated with cognition.

Acupuncture

Acupuncture, an ancient practice dating back 2,500 years, involves inserting needles at specific points on the body in order to treat health problems. Acupuncture may be combined with other therapies in order to maximize healing; its success relies on maintaining balance of vital energy – what practitioners refer to as “chi”. Acupuncture can reduce pain and improve mobility among people living with neurological disorders.

Acupuncture has been practiced for over 2,500 years and now exists in more than 103 countries worldwide. Acupuncture is an alternative medicine with no side effects compared to pharmaceutical drugs; studies have actually demonstrated that it can decrease inflammation while stimulating neurotransmitters such as serotonin and dopamine that regulate mood.

Studies have also demonstrated the efficacy of acupuncture as a treatment for neurodegenerative disorders like Alzheimer’s and Parkinson’s. Acupuncture is known to alleviate symptoms by blocking accumulations of toxic proteins, moderating metabolic activity and suppressing neuronal apoptosis; additionally it increases cerebral cortex activity which improves cognition.

Ayurveda is an ancient alternative therapy that can offer remarkable advantages to those suffering neurological conditions. Ayurvedic practices include massages, diet recommendations, oil treatments and herbal concoctions to provide pain relief from muscular or respiratory ailments as well as psychological disorders like anxiety or depression. Studies have also demonstrated the combination of Ayurveda with acupuncture can significantly enhance cognitive functions, such as image recognition and balance improvement.

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Ayurveda

The nervous system serves as the body’s primary regulatory and communication network, orchestrating crucial bodily processes like thought, memory and movement as well as our emotional and spiritual wellbeing. Neurological disorders may be debilitating; fortunately many conditions ranging from epilepsy and migraines to Parkinson’s and multiple sclerosis may be successfully treated using Ayurveda treatments.

Ayurved medicine understands most neurological conditions as being due to an imbalance of body’s natural energy. This imbalance is usually the result of excess vata, pitta or kapha; three vital energies that govern movement and communication processes. Treatment aims at reestablishing an equilibrium among these three energies while clearing away any blockages preventing our bodies from functioning normally.

Ayurved treatments for neurological disorders typically involve detoxification therapies like snehana and swedana to cleanse tissues and increase circulation, while marma therapy targets specific points on the body to speed healing while relieving tension.

Ayurved herbal medicines possess anti-inflammatory properties and may help improve brain blood flow, with several herbs offering compounds which cross the blood-brain barrier and enable healing of the mind itself. However, some Ayurvedic remedies contain heavy metals like lead or mercury that could potentially be dangerous if taken long term; it is recommended to consult an experienced Ayurvedic doctor for diagnosis and treatment purposes.

Yoga

Yoga, which combines physical postures with breathing exercises and meditation, has long been associated with improved mental health. Yoga practice has been shown to reduce symptoms of anxiety and depression while improving balance, flexibility, concentration and immune system function. Even practicing for just 30 minutes each day could improve brain function if done with the correct techniques.

Yoga offers many health benefits related to its ability to reduce inflammation in the body. Regular practice can increase levels of essential neurotransmitters like dopamine and serotonin that reduce stress and depression; and increase levels of anti-inflammatory agents known as cytokines which protect nerves against damage caused by inflammation.

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Studies have shown that those who regularly practice yoga tend to possess thicker cerebral cortical layers and hippocamps; areas of the brain responsible for memory and learning. Over time, these regions tend to diminish with age – however yoga appears to stop this from occurring and even help prevent dementia or Alzheimer’s.

Though most studies on the effects of yoga on cognitive functioning have used Kundalini yoga, other types of yoga may provide similar benefits. A study with postmenopausal women demonstrated how Kundalini yoga increased their memory recall and avoided atrophy of gray matter in their brains. Researchers are also investigating Hatha yoga which is more widely practiced and incorporates physical exercises with breathing techniques; both styles can benefit cognitive function with consistent practice over a prolonged period of time.

Meditation

Meditation is an effective mental health practice that can help improve focus, relaxation and stress levels while increasing immunity levels and aiding with better sleeping patterns. Meditation can be safely integrated with other treatments like medications. Meditation has long been practiced spiritually across many religions.

Mindfulness meditation aims to bring focus back into the present moment and is often used to manage anxiety symptoms. By activating the parasympathetic nervous system and relieving stress hormones from your body, mindfulness meditation helps ease tension while relaxing and soothing it as a whole. Furthermore, mindfulness can also be used to increase cognitive function and memory performance.

Guided imagery meditation involves visualizing relaxing images to ease nerves. This form of mediation has also been shown to reduce anxiety and treat depression effectively, increasing gray matter density in certain brain areas that control emotions and memories.

Researchers have investigated the effects of meditation on brain functioning through functional magnetic resonance imaging (fMRI). This type of scan takes pictures of the brain like traditional MRI. Researchers found that those who practice meditation regularly showed changes to the hypothalamic-pituitary-adrenal (HPA) axis that controls stress responses such as the fight-or-flight response. It may have also contributed to changes in activity levels within amygdala region of their amygdalas which is responsible for emotion regulation in our amygdalae part of brain responsible for emotion regulation.

Meditation is an easy and safe complementary therapy that can help manage anxiety symptoms. Meditation also improves sleep quality, blood pressure, and heart function – it’s easy to incorporate into daily life and can significantly boost overall mental wellbeing and lower stress levels.

Herbal Remedies

As a local chiropractor committed to whole health, I recommend my patients consume a diet rich in various vitamins and nutrients for optimal nerve functioning and decreased symptoms associated with neurological conditions.

Certain herbs have been demonstrated to be helpful in supporting cognitive health. Sage and turmeric possess anti-inflammatory properties which may aid memory by limiting oxidative stress; Ginkgo biloba has also been known to improve cognitive function while slowing age-related decline. However, no natural remedy should be used as a replacement for standard medical care when dealing with neurological conditions.

Aromatherapy has proven itself effective in creating an overall sense of well-being. By inhaling essential oils like lavender, lemon and bergamot it is possible to stimulate the olfactory nerve which activates neurons to release neurotransmitters that promote mood stability.

Integrating alternative therapies into your wellness regimen can transform the experience of managing neurological conditions, whether acute or chronic. They can significantly enhance quality of life while increasing overall health. For assistance on how to incorporate alternative medicine into your life, please reach out to an INM Naturopathic Doctor in your area by searching INM’s Find an ND directory. INM Naturopathic Physicians specialize in nutrition, stress management and movement therapy to promote whole-person health as it pertains to nervous system health. These physicians can assist you with creating an individualized treatment plan to address your specific issues and effectively manage a neurological disorder. In addition, they offer complementary and alternative therapies to meet your health goals. INM naturopathic physicians are licensed in all 50 states as well as DC.

July 22, 2026|Editorial

Biohacking Glasses

biohacking glasses

Wearing circadian rhythm glasses each morning can increase alertness and energy levels by decreasing melatonin production. They may also help prevent sleep disruptions while supporting healthy circadian rhythms.

Blue light-blocking glasses protect eyes and bodies from harmful blue wavelengths emitted by digital screens and modern lighting sources, making them especially helpful for shift workers or frequent travelers who struggle with jet lag. They may be especially helpful to shift workers and frequent travelers.

Eye strain glasses

Spending hours looking at screens every day can strain your eyes, leading to symptoms like blurred vision, headaches and dry eyes. Eye strain is a common affliction that can be remedied through simple measures such as using eye drops, adjusting screen brightness settings and wearing comfortable computer glasses.

Computer glasses are specially crafted to protect the eyes from the harmful effects of prolonged screen use. These glasses feature lenses with anti-reflective coatings and blue light filters designed to alleviate digital eye strain, while anti-reflective coatings help minimize screen glare. There’s something out there to suit every style; find something perfect today.

If you are suffering from digital eye strain, an appointment with your optometrist could help alleviate its adverse effects. They will evaluate your work environment and offer tailored advice based on individual requirements.

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July 22, 2026|Editorial

Can Calorie Restriction Reverse Aging?

calorie restriction reverse aging

Cutting back on calories is often recommended to those seeking to shed extra weight or improve their health, but cutting back could also help slow some age related molecular changes.

Laboratory research has repeatedly demonstrated the anti-aging benefits of caloric restriction for animals from nematodes to rats; however, applying this strategy to humans has proven more difficult.

Calorie Restriction

Reducing caloric intake has been proven to lengthen lifespans in various species such as mice, rhesus monkeys and fruit flies; but in humans it may also have detrimental consequences, including weakening immune systems and stunted growth. Scientists have been searching for a way to capitalize on calorie restriction’s longevity benefits without incurring adverse outcomes; now a new study published in Nature Aging suggests long-term caloric restriction can reverse molecular changes associated with aging.

Researchers examined blood samples taken from 143 participants of the CALERIE trial who had followed a calorie-restricted diet for two years as part of CALERIE, with particular attention paid to complement component 3 (C3), an immune activating protein which activates immunity against infections. They focused on this protein because long-term calorie restriction significantly decreased levels of C3 in blood samples from these people resulting in slowing biological aging by 2-3%.

C3 reduction occurred regardless of weight loss; most participants shed approximately 18 pounds during the study period. Scientists speculated that C3 activation may have decreased due to the shedding of adipose tissue during calorie restriction; however, further studies are necessary in order to confirm these findings and demonstrate a causal connection between caloric restriction and a reduction in age-related inflammation.

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An effective low-calorie diet relies on selecting a range of nutritious food items. Make sure your diet is well balanced by limiting empty calorie-laden items like sugar, processed carbohydrates and trans fats; focus on eating lean meats, fish and plenty of fresh fruit and vegetables while including small quantities of nuts/seeds/whole grains/legumes into your daily regimen; this will ensure adequate nutrient levels while still offering a calorie reduction diet.

Oxidative Stress

Oxidative stress occurs when there are too many free radicals in the body and not enough antioxidants available to neutralise them. When left unchecked, excessive oxidative stress can cause health problems and accelerate aging; chronic diseases and neurodegenerative conditions like Alzheimer’s can also result from excess oxidative stress.

Antioxidative stress is an inevitable part of life, but to ensure optimal health it’s vitally important to minimize it by eating a diet rich in fruits and vegetables as well as limiting sugar and fat-laden food; such foods can trigger oxidative stress by increasing free radical production while decreasing antioxidant capacity to counter them. To combat oxidative stress effectively it’s vitally important to consume plenty of fruits and vegetables with plenty of antioxidants available to combat any potential free radical threats within your body.

Exercise regularly as another way of relieving oxidative stress and helping the body reduce inflammation, improve cardiovascular function, maintain your weight, lower blood pressure and cholesterol levels and improve overall health.

Dieting to reduce oxidative stress by improving cell health can also help. A healthy diet includes fruits, vegetables, lean meats, fish and nuts – and by cutting calorie consumption you could lower the risk of obesity as well as chronic diseases like heart disease and diabetes.

Animal studies have demonstrated the efficacy of calorie restriction to extend mice and other animals’ lifespans and lower age-related diseases while improving overall health and vitality.

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Reducing oxidative stress is key to increasing lifespan, and one way to do this is through eating healthily and exercising regularly. A diet rich in fruits, vegetables, whole grains, low-fat dairy and lean proteins will help balance out antioxidant levels while processed foods and refined sugars should be limited as they increase oxidative stress.

Oxidative stress can contribute to insulin resistance, one of the primary causes of type 2 diabetes. Studies have shown that calorie restriction may delay its onset by improving insulin sensitivity, decreasing glucose levels and reducing blood pressure.

Mitochondria

The mitochondria are membrane-bound organelles (organelles) which produce about 90% of the energy cells need for normal function, stored as ATP molecules. Cells which require lots of energy such as muscle or nerve cells tend to have multiple mitochondria. Furthermore, mitochondria are known for repairing damaged DNA similarly to what’s done by nuclei within cells – helping keep DNA functioning normally and functioning optimally.

Researchers are learning that mitochondria play an essential role in many cellular processes beyond energy production, including contributing to conditions like rheumatoid arthritis and chronic fatigue syndrome. Furthermore, mitochondria could play an integral part in age-related or viral-caused illnesses like myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS).

Scientists still lack a complete understanding of how the mitochondria aid cellular functioning, but many researchers suspect they play an integral role in protein synthesis, lipid storage and metabolism, mitochondrial calcium signaling responses, oxidative stress responses and removal of damaged mitochondrial DNA – as well as playing an essential part in certain complex diseases like neurodegenerative disorders and heart disease.

Mitochondria are complex organelles with two membranes; their outer layer contains porous openings to molecules and folds that help maintain its shape, while their inner membrane is tightly sealed, housing enzymes similar to those found in bacteria for breaking down proteins and producing ATP (adenosine triphosphate). They even possess their own ribosomes separate from those coded for by the nuclear DNA.

The differences in these ribosome types help mitochondria quickly adapt to changes in energy demand, as well as fold and elongate proteins efficiently. Cristae within the inner membrane can even change shape to alter how this organelle processes nutrients and produces energy.

Some scientists suspect faulty mitochondria may be behind ME/CFS, an illness which produces debilitating exhaustion and cognitive issues from mild exertion. NIH researcher Paul Hwang identified one woman’s case of ME/CFS as having been caused by mutation in a protein which regulates mitochondrial function – linking her mutation directly with ME/CFS symptoms.

Free Radicals

Free radicals are unstable molecules that can damage DNA, leading to disease and premature aging. Oxidative stress causes free radicals, but you can prevent further damage with diet and antioxidant supplements.

Molecules are comprised of atoms surrounded by electrons in layers known as shells, each needing to contain an equal number of electrons in order to remain stable. If an atom or molecule loses an outer electron or two, they become increasingly unstable and will seek out bonds with other atoms or molecules to balance out their charge – these free radicals often play a part in diseases associated with aging such as cancer, heart disease and dementia.

Free radicals attack other molecules through an oxidative stress process known as electron theft, taking one electron at a time from them in exchange for damage to protein, lipid or DNA molecules in them. When this happens, damaged molecules become free radicals themselves causing further chain reactions until the entire organism has been compromised or irreparably destroyed.

Attaining antioxidative stress requires increasing our intake of antioxidants through diet. Antioxidants, also referred to as free radical scavengers, donate an electron to free radicals and lessen their reactivity – helping protect DNA, proteins and lipids against damage as well as slow cellular aging. Dietary sources of antioxidants include fruits, vegetables and herbs.

The theory relating to free radicals in aging is still evolving, based on observation that oxidative damage accumulates over time in cells and that this may contribute to age-related diseases; however, no proof exists to demonstrate that reducing this damage will extend lifespan in humans. Studies on other organisms, such as yeast or Caenorhabditis elegans roundworms suggest this could be achieved by blocking production of natural antioxidants such as superoxide dismutase enzyme.

July 22, 2026|Editorial

Spooky2 – The Most Advanced Rife Machine

rife spooky2

Doctor Rife discovered that certain pathogenic microorganisms respond to electromagnetic frequencies at specific mortal oscillatory rates, known as mortal oscillatory rates. Spooky2 features an improved plasma Phanatron tube for durability and plasma stability, combined with a PEMF generator capable of applying any one of Doctor Rife’s Rife frequencies directly into its plasmonic field.

1. Rife spooky2 is a fine-toothed comb.

Spooky2 is currently the most advanced Rife machine available, comprising an alternating current generator with 20 preset waveforms, computer control, and a database containing all known Rife frequencies. Frequency generators generate electromagnetic fields to transport specific Rife frequencies directly to cells in the body and target pathogenic microorganisms that might otherwise exist, thus helping destroy them and thus creating relief from illness and disease. As part of an effective healing regimen, electromagnetic fields (EMFs) provide another avenue for reaching pathogens not addressed by other cleansing modalities. A generator connected to a plasma Phanotron tube made from durable borosilicate glass allows high plasma currents. When discharged into cells through its Rife frequencies, Rife frequencies destroy parasitic microorganisms while stimulating healing.

2. Rife spooky2 is a fine-toothed comb.

Spooky2 is one of the most advanced Rife machines currently available. It consists of a generator which creates electric currents with specific frequency patterns and a plasma Phanotron tube which delivers those frequencies into the body to destroy pathogens. The generator is constructed of borosilicate glass, an extremely tough yet transparent material which cannot be broken easily. Rife’s current pulsed through an inert gas inside of a cylinder to ionize it and produce plasma – a fifth matter state visible as light with specific color spectrum – thus turning part of it into plasma – turning some part into visible light as visible plasma. Rife found that almost every pathogenic microorganism had an electromagnetic frequency it can be destroyed with; he compiled a list of these frequencies which he called mortal oscillator rates.

3. Rife spooky2 is a fine-toothed comb.

Spooky2 was developed since 2013 by an international team of electronics engineers, technical designers and Rife practitioners. It utilizes a plasma Phanotron tube sealed in transparent borosilicate glass. The AC current running through a plasma tube causes an electrical discharge which ionizes inert gas within, creating plasma as a fifth matter state. Exposing parasitic microorganisms to specific frequencies through electric discharge, the electromagnetic waves created can kill parasitic organisms that cannot be destroyed through other means. Dr. Royal Rife discovered these frequencies, known as mortal oscillator rates. They can even reverse decay processes in certain viruses and bacteria.

4. Rife spooky2 is a fine-toothed comb.

Dr. Rife discovered in the 1930s that most pathological microorganisms he identified had an electromagnetic frequency at which they were vulnerable to being destroyed; he referred to this rate as their mortal oscillatory rate. He compiled a list of hundreds of these frequencies and discovered they could destroy pathogens by creating lethal radiation within cells; a process known as resonance cleansing. Spooky2 includes a plasma Phanotron tube – a sealed transparent tube filled with noble gas such as helium that allows an electric discharge to efficiently ionize it into plasma (the fifth matter state with visible/ultraviolet wavelengths). An alternating current generated by a waveform generator then applies alternating current to this plasma tube and transmits one of Rife frequencies known.

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5. Rife spooky2 is a fine-toothed comb.

Rife’s research demonstrated that nearly every disease-causing microorganism could be eradicated using electromagnetic frequencies called mortal oscillatory rates, which killed pathogens by disrupting their cell structures and eliminating any pathogenic bacteria or pathogens present. Spooky2 has since evolved to become one of the world’s most advanced Rife machines thanks to a team of electronics engineers, technical designers and software developers. This device comprises of a Pulsed Electromagnetic Field (PEMF) generator, which produces alternating currents with specific frequencies. These frequencies are then transmitted into an inert gas-filled plasma Phanotron tube where an electric discharge ionizes it to create plasma, enabling the electromagnetic waves to penetrate deeply into the body where they can destroy parasitic microorganisms.

July 22, 2026|Editorial

Vibroacoustic Simulation for Electric Vehicle (EV) Drivetrains

vibroacoustic simulation

Multiphysics vibroacoustic simulation has emerged as an integral element of electric vehicle (EV) powertrain development, providing quieter and more refined drivetrains with minimal physical prototyping requirements. An in-depth NVH analysis may involve various fields including electromagnetic motor forces, contact mechanics for gears and bearings, flexible multibody dynamics analysis, structural FEM modelling and acoustics.

High-fidelity time-domain models featuring flexible bodies and nonlinear contacts offer an acceptable balance between accuracy and computational cost, while frequency-domain methods provide faster evaluation for design screening and iteration, but can suffer from transient phenomena, tonal responses and nonlinearities that inhibit their use.

What is Vibro-Acoustic Simulation?

Vibro-acoustic simulation can ensure noise and vibration performance is built into products from their early design stages, prior to any physical prototypes being created. This helps lower development costs and decreases risk by early identification of performance issues – and prevent last-minute “band-aid” fixes being costly and time consuming fixes which delay schedule completion.

Vibro-acoustic simulation involves solving the governing equations of vibro-acoustics using techniques such as finite element analysis. These equations include stiffness and mass matrices for both solid and acoustic domains, source terms p, v, and q as well as coupling term Csa; all assembled into Equation 11 which is then solved frequency domain using Helmholtz equation.

This white paper explores the application of open-source FEniCSx to vibroacoustic problems, illustrating its ability to produce accurate and stable models of coupled fluid-structure systems containing nonconformal meshes at their interface. Furthermore, this approach provides an effective alternative to partitioned approaches when dealing with geometrically complex models.

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How Can I Use Vibro-Acoustic Simulation?

Vibro-acoustic simulation can reduce development costs while ensuring noise and vibration performance is integrated into products from an early design stage, eliminating risks such as discovering noise/vibration issues too late in the cycle, where last-minute “band-aid” fixes can be costly, non-optimal and introduce schedule delays. Furthermore, engineers can identify dominant transmission paths between sources and receivers to minimize efforts required to mitigate non-dominant paths; as well as reduce transmission loss by optimizing structures, damping, coating etc.

To accurately simulate the acoustics of technical systems, various mathematical approaches must be employed. When dealing with subsystems with linear measures corresponding to wavelength, finite element modeling (FEM) and statistical energy analysis (SEA) are both suitable approaches; when dealing with mid-frequency problems however, hybrid FEM/SEA approaches often prove more suitable; both techniques complement each other well enough that when combined they capture all possible frequency ranges within complex technical systems.

Multiphysics vibro-acoustic simulation has emerged as an indispensable tool in designing quieter electric vehicle (EV) powertrains by uncovering otherwise hidden excitations. Yet its full predictive potential remains limited until more integration between simulation and experiment, more explicit treatment of uncertainty, greater transparency across tools, data sets, and simulation workflows, and improved standardization can be realized.

In an electric vehicle powertrain, gear mesh and bearing forces excite structural modes in the housing that radiate sound. Engineers use methodologies such as Equivalent Radiated Power (ERP), which estimates maximum possible noise from housing surface motion; or advanced workflows that integrate computed housed mode velocities directly into an acoustic solver to produce far-field SPL maps [5]. To predict this radiated noise accurately, engineers employ Equivalent Radiated Power (ERP), an estimation tool designed to approximate maximum possible noise from housing surface motion; or advanced workflows that take computed housed mode velocities directly into an acoustic solver for far-field SPL mapping [5].

Multiphysics models are complex and computationally intensive; to effectively deploy them requires adopting efficient modeling approaches and software frameworks capable of running on high-performance computing platforms. This paper investigates the application of open-source FEniCSx multiphysics modeling approach in practical vibroacoustic challenges, with an emphasis on its flexibility, efficiency and scalability for simulating coupled acoustic-structural models.

What are the Benefits of Vibro-Acoustic Simulation?

Electric vehicles have revolutionized noise, vibration and harshness (NVH) requirements. Their absence exposes previously-masked drivetrain excitations that were once hidden by internal combustion engine noise; making vibro-acoustic simulation an integral component of developing electric powertrains. Vibro-acoustic modeling and prediction require multiphysics simulation, including electromagnetic analysis, gear contact mechanics, multibody dynamics simulations, structural FEM/BEM solvers as well as acoustic FEM/BEM solvers; this literature review comprehensively analyses these technologies in order to build one coherent framework linking end-to-end forces response responses with structure responses as well as radiated noise sources.

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Vibro-acoustic simulation can significantly lower NVH development costs by enabling engineers to design for optimal acoustics early in product development, before physical prototypes are even created. Furthermore, this tool identifies dominant transmission paths between sources and receivers so designers can focus on mass-reducing non-dominant paths instead. Consequently, this can prevent last-minute fixes that require prototyping, rework or schedule delays – saving engineers both money and time in developing products with optimal acoustics from occurring last-minute band-aid fixes that require prototyping costs or rework or schedule delays.

Immersive virtual acoustics simulation can also make it simpler to demonstrate a product’s acoustic performance to stakeholders and customers, using 3D visual rendering and VR head tracking. By eliminating physical prototypes from simulation processes, simulation processes can be accelerated faster with less rework required between iterations rounds.

Vibro-acoustic simulation can also assist in predicting aerodynamic noise caused by high-speed rotating parts such as cooling fans and axle air ducts, such as cooling fans or axle air ducts. This is accomplished through coupling CFD with acoustics using techniques such as LES in Fluent or SNGR in Actran.

Vibro-acoustic simulation is made more understandable when we recognize that mechanical vibrations may either be deterministic or random depending on the size of their wavelengths in relation to subsystem dimensions. Therefore, for deterministic systems finite element methods should be employed while statistical energy analysis (SEA) should be utilized when dealing with random ones.

What are the Drawbacks of Vibro-Acoustic Simulation?

Noise and vibration simulation is an invaluable way to incorporate acoustic performance early in the design cycle, eliminating or minimizing the need for physical prototypes and costly tests. Furthermore, noise simulation allows you to identify any potential acoustic problems before production commences; saving both time and money.

Vibro-acoustic simulation is an engineering practice which uses models and computational methods to predict acoustic behavior of technical systems. This field encompasses both audible frequency range and all components within an overall system – as well as structural and fluid aspects of acoustics. As wave motion in structures and fluids varies greatly, acoustic modeling must employ different strategies for each subsystem type. Example: When subsystem dimensions are small relative to wavelength, a subsystem is known as deterministic and may be treated using finite element method (FEM). When these same dimensions increase significantly over time, however, the system becomes random and requires statistical energy analysis (SEA).

Advanced multiphysics workflows use FEM/BEM and SEA modeling methods to simulate structure-borne and airborne sound, with electric powertrain NVH using electromagnetic motor forces and gear meshing dynamics as excitation sources that generate structure-borne vibrations and radiate noise, with transmission path modeling methods used to predict actual sound pressure levels at microphones – giving engineers confidence in making design decisions with greater ease and accelerating development time. This end-to-end approach to eNVH empowers engineers with making design decisions with confidence while cutting development time in half!

Aeroacoustic simulation is another aspect of vibro-acoustics that uses Computational Fluid Dynamics (CFD) to model turbulent flow and extract sound radiation, which can then be used to predict noise in electric motors or axle air ducts for example. When combined with vibro-acoustics, aeroacoustic simulation can reduce dependence on wind tunnels – which are often too expensive and unavailable for testing new prototypes.

MSC Actran offers both SEA and aeroacoustic modules, enabling you to simulate the entire acoustic lifecycle using one user interface. Actran SNGR takes input from CFD flow data and calculates turbulent pressure distribution and noise radiation of complex, rotating systems; Actran Aeroacoustics then integrates those predictions with structural models and BEM solvers to predict coupling and radiation of soundwaves.

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