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Showing 1 to 16 of 16 for “"Hyperelastic Materials"”.
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Towards Real-Time Simulation Of Hyperelastic Materials
… simulation supporting many different types of hyperelastic materials from mass-spring systems to three-dimensional finite element models, pushing the performance of the simulation towards real-time. Fast simulation methods such as Position Based Dynamics exist, but support only limited …
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Nonlinear analysis of hyperelastic materials and structures using higher-order finite elements
L'abstract è presente nell'allegato / the abstract is in the attachment
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Finite Element Analysis of Defects in Cord-Rubber Composites and Hyperelastic Materials
In recent years, composite materials have been widely used in several applications due to their superior mechanical properties including high strength, high stiffness, and low density. Despite the remarkable advancements in theoretical and computational methods for analyzing composites, …
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Analysis by Meshless Local Petrov-Galerkin Method of Material Discontinuities, Pull-in Instability in MEMS, Vibrations of Cracked Beams, and Finite Deformations of Rubberlike Materials
… and plane strain deformations of incompressible hyperelastic materials. The Moving Least Squares (MLS) approximation is used to generate basis functions for the trial solution, and for the test functions. Local symmetric weak formulations are derived, and the displacement boundary conditions are …
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Incorporating Mullins Effect into the Modeling of Hyperelastic Actuators
The use of hyperelastic materials in actuators has become increasingly popular due their immense number of degrees of freedom, ability to recover from large deformations, and the capability to absorb energy in many types of environments. Some prototypes for these actuators utilize instabilities …
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Reduced-Order Modeling and Design Optimization of Thermomechanical Shape Memory Alloy-Based Bistable Microactuators and Hyperelastic Material Systems
… focusing on shape memory alloys (SMAs) and hyperelastic materials. The goal is to improve both prediction accuracy and computational efficiency in simulations used for designing advanced materials and bistable microactuators. The work begins with a stabilized finite element formulation that …
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Positive pressure induced channeled suction cups
… for in-pipe robots. The suction cups are made of hyperelastic materials that contain air channels inside. Instead of using conventional suction technique that is prone to leaking and loosing adhesion force, the suction cup is actuated by compressed air or liquid, which deforms the geometry of the …
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Micro-and macromechanics of single crystal and polygrannular lamellar block copolymers
… BCPs are among the most popular polymeric materials with diverse commercial applications that cover a number of industries. Furthermore, BCPs are emerging as instrumental for the future of nanotechnology as an increasing number of new techniques and applications seek to utilize their …
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On deformations of compressible hyperelastic material
… of compressible isotropic, nonlinear hyperelastic materials, specifically azimuthal shear of a thick-walled circular cylindrical tube, the bending deformation of a rectangular block and axial shear of a thick-walled circular cylindrical tube. For each problem the equilibrium equations …
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Design of functionally graded compliant mechanisms using topology optimization
… of material properties. Functionally graded materials (FGMs) have material properties that vary based on spatial position. Here, FGMs are implemented using two different resource constraints \textendash \ one on the mechanism's volume and the other on the integral of the Young's modulus …
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Some aspects of the numerical solution of equilibrium problems in finite elasticity
… boundary-value problems involving incompressible hyperelastic materials. The strain-energy function used to characterise these materials is based on a symmetric function of the principal stretches. All of the above ideas are investigated numerically for the problem of a pressurised rubber cylinder …
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Non-linear finite element analyses of the aortic heart valve
… used in previous studies were then compared with hyperelastic materials. The parameters used for the exponential strain energy function of the latter were obtained from fits of uniaxial tension test results of fresh porcine aortic valve leaflets. As natural leaflets show anisotropy with a …
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A virtual element method for hyperelasticity
… studies the approximation of plane problems of hyperelasticity, using a loworder virtual element method (VEM). The VEM is an extension of the finite element method (FEM). It is characterised by considerable freedom with regard to element geometry, permitting arbitrary polygonal and polyhedral …
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Forward and inverse problems in mechanics: from a single to thousands of interacting bodies
… to predict the forward dynamics of granular materials consisting of millions of interacting elastic particles, such as sand, with a particular focus on the accurate description of the onset and arrest of flow in response to external loading variations. Besides its predictive abilities, this …
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Numerical Simulation of the Fluid-Structure Interaction of a Surface Effect Ship Bow Seal
… used model calibration for both instances of hyperelastic materials which were presented in the literature as validation cases because these materials were defined as linear elastic. Calibrated, three dimensional models of the bow seal on the University of Michigan bow seal test platform …
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Systematic inverse design and physical realization of nonlinear elastic and thermoelastic responses for metamaterials
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-12-01