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Hypervelocity Cavity Expansion in Porous Elastoplastic Solids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dynamic steadystate spherical cavitation fields are examined with emphasis on material porosity at large strain. Cavity expansion is driven by constant internal pressure in presence of remote tension or compression. The ...
On Rate Boundary Conditions for Soft Tissue Bifurcation Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanical instability of soft tissues can either risk their normal function or alternatively trigger patterning mechanisms during growth and morphogenesis processes. Unlike standard stability analysis of linear elastic ...
Instability of Incompatible Bilayered Soft Tissues and the Role of Interface Conditions
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Mechanical stability analysis is instructive in explaining biological processes like morphogenesis, organogenesis, and pathogenesis of soft tissues. Consideration of the layered, residually stressed structure of tissues, ...
Stability Analysis of Arteries Under Torsion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Vascular tortuosity may impede blood flow, occlude the lumen, and ultimately lead to ischemia or even infarction. Mechanical loads like blood pressure, axial force, and also torsion are key factors participating in this ...
The Postbuckling Behavior of Compressed Elastica Inside a Flexible Tube: Experimental and Numerical Investigation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The postbuckling behavior of an elastic fiber subjected to lateral constraints is of practical importance in a wide range of medical and engineering applications. The vast majority of existing studies have adopted the ...
Sensitivity of Arterial Hyperelastic Models to Uncertainties in Stress-Free Measurements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite major advances made in modeling vascular tissue biomechanics, the predictive power of constitutive models is still limited by uncertainty of the input data. Specifically, key measurements, like the geometry of the ...
Initial Postcontact Behavior of an Axially Compressed Fiber Constrained Inside a Rigid Cylinder: Experimental, Analytical, and Numerical Investigation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The postbuckling behavior of a clampedclamped elastic fiber constrained inside a rigid cylinder is analyzed theoretically, numerically, and experimentally. We concentrate on characterizing the contact configuration between ...