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Author: Ghias Kharmanda Publisher: John Wiley & Sons ISBN: 1119370825 Category : Science Languages : en Pages : 221
Book Description
In this book, the authors present in detail several recent methodologies and algorithms that we have developed during the last fifteen years. The deterministic methods account for uncertainties through empirical safety factors, which implies that the actual uncertainties in materials, geometry and loading are not truly considered. This problem becomes much more complicated when considering biomechanical applications where a number of uncertainties are encountered in the design of prosthesis systems. This book implements improved numerical strategies and algorithms that can be applied only in biomechanical studies.
Author: Ghias Kharmanda Publisher: John Wiley & Sons ISBN: 1119370825 Category : Science Languages : en Pages : 221
Book Description
In this book, the authors present in detail several recent methodologies and algorithms that we have developed during the last fifteen years. The deterministic methods account for uncertainties through empirical safety factors, which implies that the actual uncertainties in materials, geometry and loading are not truly considered. This problem becomes much more complicated when considering biomechanical applications where a number of uncertainties are encountered in the design of prosthesis systems. This book implements improved numerical strategies and algorithms that can be applied only in biomechanical studies.
Author: Ghias Kharmanda Publisher: John Wiley & Sons ISBN: 1786300257 Category : Science Languages : en Pages : 260
Book Description
In this book, the authors present in detail several recent methodologies and algorithms that they developed during the last fifteen years. The deterministic methods account for uncertainties through empirical safety factors, which implies that the actual uncertainties in materials, geometry and loading are not truly considered. This problem becomes much more complicated when considering biomechanical applications where a number of uncertainties are encountered in the design of prosthesis systems. This book implements improved numerical strategies and algorithms that can be applied to biomechanical studies.
Author: Ghias Kharmanda Publisher: John Wiley & Sons ISBN: 1119379105 Category : Science Languages : en Pages : 259
Book Description
In this book, the authors present in detail several recent methodologies and algorithms that they developed during the last fifteen years. The deterministic methods account for uncertainties through empirical safety factors, which implies that the actual uncertainties in materials, geometry and loading are not truly considered. This problem becomes much more complicated when considering biomechanical applications where a number of uncertainties are encountered in the design of prosthesis systems. This book implements improved numerical strategies and algorithms that can be applied to biomechanical studies.
Author: Michael Alfonsi Publisher: ISBN: Category : Biomechanics Languages : en Pages : 67
Book Description
Context: Three dimensional, passive motion analysis systems allow researchers to non-invasively, yet thoroughly, examine the biomechanics of patients with many different orthopedic ailments. One problem with this technology is a lack of consistency in the number and placement of retroreflective markers. This results in a difficulty comparing results from studies done in the same lab over time. Objective: The purpose of this study is to determine the reliability of the chosen marker set when using passive motion capture to assess biomechanics during various dynamic tasks. Design: The design is a test-retest study. Setting: Musculoskeletal Health and Movement Science Laboratory. Participants: Fifteen participants were recruited and volunteered for this study. Fourteen participants (age: 23.9±33.56 years; height: 1.73±0.12 m; mass: 71.93±15.95 kg; body mass index [BMI]: 23.82±2.76 kg/m2) completed the study. Intervention(s): Participants reported to motion analysis laboratory for two trials separated by seven days. The clinician placed 37 retro-reflective markers over the pre-determined anatomical landmarks. The subject then performed self-selected walking gait, standard walking gait, stair ascent/descent, jump landing and sit-to-stand tasks. Main Outcome Measures: The dependent variables include three dimensional, lower extremity biomechanics at the hip, knee, ankle, and trunk during each of the four biomechanics tasks. The independent variable is time (session 1 and session 2). The statistical analysis used to compare the measurements was independent t-tests and intraclass correlations (ICC). Results: Standard gait speed yielded the best ICC values (ICC> 0.652) for kinematics and kinetics at the hip and knee in both the frontal and sagittal plane. All other tasks found varying ICC values for kinetic and kinematic data in the frontal and sagittal plane (0.970> ICC> 0.003). Conclusion: The present study showed that the chosen marker set is reliable when a novice clinician places the surface markers on the pre-determined anatomical landmarks.
Author: Redha Taiar Publisher: MDPI ISBN: 3039363964 Category : Science Languages : en Pages : 356
Book Description
Writing or managing a scientific book, as it is known today, depends on a series of major activities, such as regrouping researchers, reviewing chapters, informing and exchanging with contributors, and at the very least, motivating them to achieve the objective of publication. The idea of this book arose from many years of work in biomechanics, health disease, and rehabilitation. Through exchanges with authors from several countries, we learned much from each other, and we decided with the publisher to transfer this knowledge to readers interested in the current understanding of the impact of biomechanics in the analysis of movement and its optimization. The main objective is to provide some interesting articles that show the scope of biomechanical analysis and technologies in human behavior tasks. Engineers, researchers, and students from biomedical engineering and health sciences, as well as industrial professionals, can benefit from this compendium of knowledge about biomechanics applied to the human body.
Author: F. Casciati Publisher: Springer ISBN: 3709126169 Category : Technology & Engineering Languages : en Pages : 272
Book Description
The aim of this volume is to present to researchers and engineers working on problems concerned with the mechanics of solids and structures, the current state of the development and application to procedures for assessing the reliability of a system. Particular attention is paid to their use in the analysis of complex engineering systems. The topics covered reflect the need to integrate, within the overall methodology, statistical methods for dealing with uncertain parameters and random excitation with the development of a suitable safety indexes and design codes. The basic principles of reliability theory, together with current standard methodology, including a consideration of the operational, economic and legal aspects of reliability assurance, is reviewed, together with an introduction to new developments, such as the application of expert systems technology. Damage accumulation predictions, with applications in seismic engineering are also covered.
Author: John Tinsley Oden Publisher: North Holland ISBN: Category : Computers Languages : en Pages : 410
Book Description
Much of what engineers and scientists do is modeling natural phenomena, by developing mathematical models of nature they can study and predict the behaviour of physical systems. The remarkable advances in technology over the last half century attest to the success of this approach. However, there has been growing concern about the issue of reliability in computational modeling in recent years. The success of computational modeling in certain classes of linear problems may have lulled many into a false sense of confidence in computed results. The papers in this volume discuss topics such as: Exactly how reliable are contemporary computational modeling procedures? How can this reliability be assessed? What factors affect it? How can reliability be improved? What direction must future research in computational modeling take to increase reliability of the more sophisticated models needed to simulate phenomena of importance in engineering? The work covers the application of existing methods to issues of reliability as well as studies of new methods that touch upon or depend upon the reliability of computational techniques in mechanics.
Author: Ghias Kharmanda
Author: Ghias Kharmanda
Author: Ghias Kharmanda
Author: P. K. Sen
Author: Ghias Kharmanda
Author: Michael Alfonsi
Author: Redha Taiar
Author: F. Casciati
Author: John Tinsley Oden
Author: Roger Bartlett
Author: Pranab Kumar Sen