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Philomec
Canadian start-up company Philomec specializes in mechanical engineering services that helps companies design and optimize their products using mechanical and biomechanical FEM simulation. Their creation of customized, validated biomechanical models, and the analysis of simulation results by experts allows surgeons to choose the model of an implant and adapt surgical maneuvers to a specific patient, thus reducing the number of implants used, as well as the risk of complications. It is challenging to validate biomechanical models due to the complexity of materials, scarcity of experimental data, and the lack of representation of variability. The application of Altair HyperWorks for explicit multiphysics simulation provides a high-level of confidence in the validity and stability of the musculoskeletal models.

Using Altair Feko™ to reduce heating during MRI for Deep Brain Stimulation
See how Altair Feko helped reduce heat during MRI procedures in DBS implants.

Roth McFarlane Hand and Upper Limb Centre
See how McFarlane Hand and Upper Limb Centre in London, Ontario is uses Altair SimSolid™ to evaluate the biomechanics of bone stresses.

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.

利用HyperWorks实现对运动撞击情景的精确仿真建模
开发用于研究运动类个人防护装备(PPE)的增强型假人模型是该学院主要的研究活动之一。撞击类假人模型可用于模拟真人,研究人员可通过对假人模型施加伤害性载荷(如用球撞击大腿)来分析人体的反应行为。

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.


全膝关节置换术后通过对股四头肌肌力进行计算分析来改善患者的膝关节屈曲度
膝前疼痛是全膝关节置换术(TKA)的主要术后并发症。患者膝关节无法自由伸展/屈曲,对其行走、抬腿或从座位站起等日常活动造成显著影响。这种膝关节活动严重受限的情况是需要进TKA翻修术最常见的适应症之一。导致这一状况的原因是手术过程中膝关节髌骨组件尺寸欠佳——这一“纽扣状”组件的作用是改善股四头肌伸展力的机械性能。克莱姆森大学生物工程系生物力学研究组通过应用基于HyperWorks的有限元分析,评估了髌骨扣状物厚度对股四头肌肌力变化程度造成的影响。


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.

Medtronic
Reducing Medical Stent Stress by 71%



Medtronic designs and manufacturers medical devices used the world over. Traditionally, computer aided engineering (CAE) and virtual simulation were not fully utilized within the industry as the verification process for often microscopic components was too slow. When designing a new medical stent (an expandable mesh inserted into a patient's artery to keep it open) Medtronic wanted to improve the design and speed up the validation process. Altair ProductDesign worked closely with Medtronic’s own engineers to optimize the performance of the new stent.

Medtronic 成功案例
降低医学支架71%的应力



美敦力(Medtronic)公司设计和制造医学设备,在世界各地都有广泛的应用。由于验证微小部件的过程非常慢,通常CAE和虚拟仿真技术并没有完全融入到工业设计中。当设计一个新型医学支架(一个可扩张的网插入到病患的动脉中使其保持张开的状态),美敦力想要改进设计并加速验证过程。Altair ProductDesign与美敦力的工程师紧密合作,共同开发了一个新的支架模型。

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.

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.)

利用有限元建模方法向膝盖疼痛宣战
      南加州大学(University of Southern California)的肌肉与骨骼生物力学研究实验室(Musculoskeletal Biomechanics Research Laboratory)使用HyperWorks来研究膝盖疼痛折磨许多病人而却放过其他人的原因。对患上膝盖关节炎的病人来说,由于缺乏治疗手段和药物,这一病痛极为棘手。然而,早期发现却有重要的意义,这同时也是南加州大学的研究工作重点。HyperMesh被用于创建有限元模型来分析关节软骨上的应力。

CAE in the Nanotech-enabling World
Zyvex engineers use finite-element analysis to build microscopically small devices.

纳米世界的CAE应用
      Zyyex工程师使用有限元方法分析和构造精密设备。

HyperWorks Helps Create Accurate Finite-Element Models from CT Scans of Artificial Knee Joints
Using Altair HyperMesh, the HyperWorks finite-element (FE) pre-processor, researchers at the
University of Applied Sciences in Amberg-Weiden, Germany, created an efficient process to
create FE meshes of an artificial knee joint from supplied computed tomography (CT) scans. The
team, led by Professor Franz Magerl, deployed HyperMesh’s re-meshing capabilities to convert
STL data to a high fidelity tetrahedral-based FE model and investigated the effect of imperfections
induced by the manufacturing process on part strength.

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