نتایج جستجو برای: biomechanical model

تعداد نتایج: 2119491  

Journal: :Journal of biomechanical engineering 2005
Hwai-Ting Lin Yasuo Nakamura Fong-Chin Su Jun Hashimoto Katsuya Nobuhara Edmund Y S Chao

Our purpose in this study was to apply the virtual, interactive, musculoskeletal system (VIMS) software for modeling and biomechanical analysis of the glenohumeral joint during a baseball pitching activity. The skeletal model was from VIMS library and muscle fiber attachment sites were derived from the visible human dataset. The muscular moment arms and function changes are mainly due to the la...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1394

اگرکیفیت معلم کلاس برای بهبودیادگیری دانش آموزحیاتی است،پس کیفیت اساتیددانشجو-معلمان، یابه عبارتی معلمین معلمان نیزبرای پیشرفت آموزش بسیارمهم واساسی است.ناگفته پیداست که یک سیستم مناسب آموزش معلمان ،معلمین با کیفیتی را تربیت خواهدکرد.که این کار منجربه داشتن مدارس خوب، ودرنتیجه نیروی کارماهرتروشهروندبهتربرای جامعه خواهدشد. اساتیددانشجو-معلمان نقشی بسیارمهم را در سیستم اموزش معلمان درسراسرجهان ای...

2010

The purpose of the project is to develop methods and a biomechanical model for virtual testing of fit and interaction of virtual components directly from a Computer Aided Design (CAD) system, specifically for the hearing aid industry. We propose to develop an adaptable biomechanical model and fast methods for physical simulation including contact forces for insertion of the virtual components. ...

Journal: :Computer methods in biomechanics and biomedical engineering 2014
Joaquín L Sancho-Bru Marta C Mora Beatriz E León Antonio Pérez-González José L Iserte Antonio Morales

The use of a biomechanical model for human grasp modelling is presented. A previously validated biomechanical model of the hand has been used. The equilibrium of the grasped object was added to the model through the consideration of a soft contact model. A grasping posture generation algorithm was also incorporated into the model. All the geometry was represented using a spherical extension of ...

2010
Yousef Jamali Mohammad Azimi Mohammad R. K. Mofrad

Understanding the biomechanical properties and the effect of biomechanical force on epithelial cells is key to understanding how epithelial cells form uniquely shaped structures in two or three-dimensional space. Nevertheless, with the limitations and challenges posed by biological experiments at this scale, it becomes advantageous to use mathematical and 'in silico' (computational) models as a...

Journal: :iranian journal of medical physics 0
mehravar rafati ph.d. in medical physics, medical physics dept., tarbiat modares university, tehran, iran manijhe mokhtari dizaji prof., medical physics dept., tarbiat modares university, tehran, iran hojabr saberi associate professor, radiology dept., tehran university of medical sciences, imaging center of imam khomaini hospital, tehran, iran effat soleimani ph.d. student in medical physics, medical physics dept., tarbiat modares university, tehran, iran

introduction: in this study, a computer analysis method based on a block matching algorithm is presented to extract the longitudinal movement of the carotid artery wall using consecutive ultrasonic images. a window (block) is selected as the reference block in the first frame and the most similar block to the reference one is found in the subsequent frames. material and methods: the program was...

Journal: :Computer Methods and Programs in Biomedicine 2021

Background and Objectives: This paper presents the results of a Machine-Learning based Model Order Reduction (MOR) method applied to complex 3D Finite Element (FE) biomechanical model human tongue, in order create Digital Twin (DTM) that enables real-time simulations. The DTM is designed for future inclusion computer assisted protocol tongue surgery planning. Methods: proposed uses an “a poster...

Journal: :annals of military and health science research 0
محمد حسین لشکری mohammad hossein lashkari department of surgery, aja university of medical sciences, tehran, iran.تهران عطا کوهیان ata koohian department of physics, university of tehran, tehran, iranتهران کامبیز کنگرلو kambiz kangarlou no 2, 6th st., iranzamin st., shahrak gharb district,tehran,iran.تهران، شهرک غرب، خیابان ایران زمین، خیابان ششم، پلاک 2

purpose: blast-induced traumatic brain injury (btbi) is one of the causes of death or permanent   invalidity which can occur unexpectedly in both military and civilian populations. this study   set out to conduct a combined eulerian-lagrangian computational analysis of the interaction   between a single planar blast wave and a human head in order to assess the extent of intracranial   shock wav...

2011
Björn Hüttner Michael Döllinger Georg Luegmair Ulrich Eysholdt Anke Ziethe Ercan Gürlek

laryngeal cancer may necessitate a complete removal of the larynx. consequently, the required sound source for voiced communication is lost. alternatively, a substitute sound signal can be generated by tissue vibrations in the pharyngoesophageal (pe) segment. the quality of the substitute voice significantly depends on the vibration characteristics of the pe segment. for investigation purpose, ...

2017
Christine Miller Buffinton Alyssa K Benjamin Ashley N Firment Anne M Moon

BACKGROUND Genetic and epigenetic programs regulate dramatic structural changes during cardiac morphogenesis. Concurrent biomechanical forces within the heart created by blood flow and pressure in turn drive downstream cellular, molecular and genetic responses. Thus, a genetic-morphogenetic-biomechanical feedback loop is continually operating to regulate heart development. During the evolution ...

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