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Based on the classical laminated plate theory and the piezoelectric plate and shell theory, this paper presents an analytical analysis of a circular piezoelectric actuator used in micro-systems. The actuator consists of four layers: piezoelectric ceramic, metal, electrodes and epoxy resin. Each layer has different dimensions, material properties and initial stress. For the simply supported boundary...
Quantitative modeling and simulation based on Anterior Chamber OCT images plays a very important role in acute angle-closure glaucoma (AACG) pathology, clinic and treatment. In order to attain quantitative analysis of the results, a series quantitative modeling methods and simulation analysis of the pathogenesis of AACG were proposed in this paper. The displacement and stress of anterior segment were...
Abstract-Objective: To analyze the biomechanical influences on cervical vertebra after the removal of nucleus going with the cervical disc degradation, and to inspect the immediate stability and bone fusion rate with artificial double Cage fusion setting into intervertebral disc.Methods: to establish precisely with CAE method four finite element models as followed: C3-6 normal height disc model, C4-5...
Traditional multi-cylinder engine crankshaft stress calculation would generally use simplified continuous beam model, but the accuracy is not high enough. The paper presents a whole dynamic model for analyzing the dynamic behavior of a diesel engine crankshaft by means of three-dimensional FEA. Based on the finite element commercial software ANSYS, an overall three-dimensional model of the four-cylinder...
Experimental results in the field of forming processes have shown that forming loads are significantly reduced when applying vibrations to the die. Piezoelectric actuators are well suited for this purpose because large forces and small amplitudes of vibrations are typically required in such processes. The main objective of the models proposed in this study is to describe the dynamical behavior of...
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