By Sergio R. Idelsohn
This publication offers and discusses mathematical types, numerical tools and computational concepts used for fixing coupled difficulties in technological know-how and engineering. It takes a leap forward within the formula and resolution of real-life issues of a multidisciplinary imaginative and prescient, accounting for all the complicated couplings inquisitive about the actual description. Simulation of multifaceted physics difficulties is a standard job in utilized learn and undefined. usually an appropriate solver is outfitted by way of connecting jointly a number of single-aspect solvers right into a community. during this booklet, study in a number of fields used to be chosen for attention: adaptive method for multi-physics solvers, multi-physics phenomena and coupled-field strategies, resulting in computationally in depth structural research. The recommendations that are used to maintain those difficulties computationally reasonable are of specified curiosity, and make this an important book.
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Additional info for Numerical Simulations of Coupled Problems in Engineering
005 0 0 2 4 6 8 Punch displacement [mm] Fig. 6 Size of the time increment Δt along the simulation 70 60 Force [kN] 50 40 30 20 10 0 this work Ponthot (1995) 0 2 4 6 8 Punch displacement [mm] Fig. 1 Geometry and Parameters The previous mesh management technique is now applied to a Double Cup Extrusion Test. The chosen geometry was developed at the Engineering Research Center (ERC) of the Ohio State University in order to assess the properties of various lubricants . The exact punch geometry is described in Fig.
Amirkhizi AV, Isaacs J, McGee J et al (2006) An experimentally-based viscoelastic constitutive model for polyurea, including pressure and temperature effects. Philos Mag 86(36):5847–5866 19. Grujicic M, Ramaswami S, Snipes JS et al (2013) Multiphysics modeling and simulations of Mil A46100 armor-grade martensitic steel gas metal arc welding process. J Mater Eng Perform 22: 2950–5969 20. Borvik T, Hopperstad OS, Dey S et al (2005) Strength and ductility of weldox 460 e steel at high strain rates, elevated temperatures and various stress triaxialities.
The micro-inertia effect is implemented in Abaqus/Explicit solver by adding the dispersion term into overall stress (35). The simulation results depicted in Figs. 21 Generalized Viscoplasticity Based on Overstress (GVBO) 25 Fig. 21 Evolution of the FSP velocity impacted on the single polyurea layer at initial velocity 300 m/s. Comparison of the multiscale simulation for anisotropic heterogeneous material with and without dispersion Fig. 47e-04 s. Comparison of the multiscale simulation with anisotropic heterogeneous material and with (top) and without (bottom) consideration of dispersion and 22 demonstrate that dispersion indeed contributes to the decrease in the projectile velocity.
Numerical Simulations of Coupled Problems in Engineering by Sergio R. Idelsohn