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INVE_MEM_2011_104815.pdf
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Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics.
Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics. (PDF)
Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics. (Other)
Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics. (Other)
Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics. (Other)
Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics. (Other)
Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics. (Other)
A novel time integration scheme is presented for the numerical solution of the dynamics of discrete systems consisting of point masses and thermo-visco-elastic springs. Even considering fully coupled constitutive laws for the elements, the obtained solutions strictly preserve the two laws of thermo dynamics and the symmetries of the continuum evolution equations. Moreover, the unconditional control over the energy and the entropy growth have the effect of stabilizing the numerical solution, allowing the use of larger time steps than those suitable for comparable implicit algorithms. Proofs for these claims are provided in the article as well as numerical examples that illustrate the performance of the method.
2011
Energy-Entropy-Momentum integration of discrete thermo-visco-elastic dynamics.
Física
Physics
Congress on Numerical Methods in Engineering, CMNE|2011
Coimbra, Portugal
Instituto de Investigacion y Desenvolvimiento Tecnológico en Ciencias de Construcción, Universidad de Coimbra
García Orden
Juan Carlos
Juan Carlos García Orden
Romero Olleros
Ignacio
Ignacio Romero Olleros