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Developing an Injury Threshold for Human Brain Concussion

Directed by Dr. King Yang, Professor of Bioengineering, the Department’s Bioengineering Center is a leading laboratory focused on research into impact trauma, low back pain, and sports injury biomechanics. For the development of complete understanding of injury mechanisms for mild traumatic brain injury or concussions in order to prevent or mitigate injury occurrence, Altair HyperMesh helped establish a meaningful injury criterion through the use of field concussion data and finite element modeling of the head.

Accurate Simulation Modelling of Sports Impact Scenarios using HyperWorks

One of the key research activities within the institute is concerned with the development of enhanced human surrogate models for sports personal protective equipment (PPE) research. Impact surrogates are used to provide a representation of a living human which can then be impacted under injurious loading conditions such as a ball impacting the thigh to understand the response behaviour.

Computational Analysis of Quadriceps Tendon Force Following Total Knee Replacement Surgery Leads to Improved Patient Knee Flexure

Anterior knee pain is a significant complication following total knee arthroplasty (TKA) surgery. The inability to freely extend/flex the knee has a crucial influence on patients daily activities including walking, lifting and rising from a chair. This knee movement inability is one of the most common indications of needed TKA procedure revisions. Poor sizing during surgery of the patellar knee component – a “button-like” element that increases the mechanical advantage of the extension force. The research biomechanics group in the Department of Bioengineering at Clemson University has evaluated the effect of the patella-button thickness on the variation of the magnitude of the quadriceps tendon force by applying HyperWorks-based finite element analysis.

PBS Professional at The Scripps Research Institute

The campus of The Scripps Research Institute (TSRI) overlooks the Pacific near San Diego. Its proximity to the famed (but unrelated) Scripps Oceanographic Institute occasionally causes confusion of identities. But TSRI is prestigious in a totally different way. TSRI uses Altair’s PBS Professional software to provide a consistent workload management infrastructure for its users across all three computing environments.

Biogemma Uses Improved Memory Sharing to Minimize Research Time

Written by SGI, this case study discusses how Biogemma, a plant biotechnology research firm, used PBS Professional to optimize the analysis pipeline, reducing runtimes by over 60%.

Heart Valve Analysis

Predicting Aortic Stenosis through Simulation Aortic valve Stenosis is a heart value disorder that narrows the aortic valve opening due to calcium build up in the leaflets. This prevents the valve from opening properly and obstructs the flow of blood causing the heart to work harder. Finite Element Analysis (FEA) has the potential to allow researchers to study the condition without the need for traditional physical testing. An efficient process was required to make this possible since modeling tissue behavior, back pressure, and the interaction between tissue and blood are highly complex challenges. Altair ProductDesign led this self funded project to improve the simulation and analysis of heart condition research.

Cutting physical testing costs by 95% with HyperWorks

WJH Engineering Consultants provides finite-element analysis and design for many of America’s largest developers of medical devices. Company President, Jim Harrison, works directly with engineers at companies producing medical devices and with doctors to understand the clinical application of these products, including any anatomical loads or displacements that should be incorporated into their design.

Fighting Knee Pain with Finite Element Modeling

The Musculoskeletal Biomechanics Research Laboratory at USC, is using HyperWorks to investigate why so many people are incapacitated by knee pain when others are not. This is a tough, intractable issue for people with arthritic knees since there is no cure for arthritis today. Early detection can help and is the focus of USC’s work. (HyperMesh is used to create finite element models to analyze stress on the cartilage of the joint.)

Biomedical Research at the Scripps Clinic: Modeling Orthopedic Implants with Altair HyperWorks

Every year, countless people — regardless of their age or level of physical activity — begin to experience the effects of osteoarthritis, a degenerative joint disease. As we age, the cartilage that cushions the joints begins to deteriorate. The head of the adjacent bones begin to break down from the friction, causing pain in the joint. When the condition worsens and non- surgical remedies are exhausted, surgeons may recommend joint replacement. Typically, titanium alloy implants are lined with plastics that act as cartilage and are fixed in place with cement or screws by the surgeon. The implants can give patients a new lease on life, dramatically reducing pain and improving mobility. However, questions naturally arise in the patient’s mind: How much range of motion will I have in the new joint? How much strength will I recover? And how long will the new joint last?

CAE in the Nanotech-enabling World

Zyvex engineers use finite-element analysis to build microscopically small devices.

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