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Energy Conservation for the Simulation of Deformable Bodies
2013
IEEE Transactions on Visualization and Computer Graphics
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to conserve all or as much of the energy as desired. ...
This allows, for example, a deformable bouncing ball with aesthetically pleasing damping (and even undergoing collision) to collide with the ground and return to its original height exactly conserving ...
ACKNOWLEDGEMENTS The authors would like to acknowledge Craig Schroeder for his help with rendering. ...
doi:10.1109/tvcg.2012.132
pmid:22665723
fatcat:i22w4axtgne5fovzf7t5qlpzwe
Computer simulation of cold sprayed deposition using smoothed particle hydrodynamics
2011
Procedia Engineering
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The analyses demonstrate the feasibility of the presented SPH methodology and the adhesive interaction model for simulating the deformation behavior of CS particles. ...
The application of the SPH method permits simulation of the impact process without the use of mesh and thus avoids the disadvantages of traditional numerical method in handling large deformations and tracing ...
, and the change in internal energy can be obtained from the equation of conservation of mass, conservation of momentum, and conservation of energy respectively. where is the scalar density, U is the velocity ...
doi:10.1016/j.proeng.2011.04.190
fatcat:g4wdrrypdzct5p4d6s4b2r3ssa
Volume Conserving Simulation of Deformable Bodies
[article]
2009
Eurographics State of the Art Reports
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We present a new method for simulating volume conserving deformable bodies using an impulse-based approach. ...
For the simulation of such a constraint impulses are computed and applied to the particles of the assigned tetrahedrons. ...
The task of simulating deformable bodies is still a challenging problem, especially when the volume of the body has to be conserved. ...
doi:10.2312/egs.20091043
fatcat:pwwdcwif7fcsjkybl7i5zizvha
Haptic rendering - beyond visual computing - High-fidelity haptic synthesis of contact with deformable bodies
2004
IEEE Computer Graphics and Applications
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Acknowledgments This work was sponsored by the Institute for Robotics and Intelligent Systems and by the Natural Sciences and Engineering Council of Canada. ...
I The simulation should preserve the passivity of objects, which implies that the principle of energy conservation should be obeyed by the simulation the same way it is obeyed by the physical world. ...
To gain these properties in a haptic simulation, we start from the notion of deflection, which we define as the displacement of the initial point of contact between an instrument and a deformable body. ...
doi:10.1109/mcg.2004.1274061
pmid:15387228
fatcat:nylrnylfuvdkzcoz2ndnmyx5va
A Method for Calculating the Velocity of Corner-to-Corner Rear-End Collisions of Vehicles Based on Collision Deformation Analysis
2021
Applied Sciences
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For actual collision cases, the proposed velocity solution method and the simulation software were used for reconstruction analyses, respectively, and the results of the instantaneous contact velocity ...
We built a finite element simulation model of a vehicle where multiple collision simulation experiments were carried out, and studied the calculation method of collision deformation. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/app112210964
fatcat:w7ho3wjxjnhq5f7wai6zhob5pe
Bridging the computational gap between mesoscopic and continuum modeling of red blood cells for fully resolved blood flow
[article]
2019
arXiv
pre-print
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We present a computational framework for the simulation of blood flow with fully resolved red blood cells (RBCs) using a modular approach that consists of a lattice Boltzmann solver for the blood plasma ...
, a novel finite element based solver for the deformable bodies and an immersed boundary method for the fluid-solid interaction. ...
Acknowledgements We acknowledge support from the PASC project 2017-2020: Virtual Physiological Blood: an HPC framework for blood flow simulations in vasculature and in medical devices. ...
arXiv:1903.06479v1
fatcat:vxmq3o4v7rditcs7rnfz3xwdii
Identification of the dissipated energy by friction in dynamic multibody systems
2008
International Journal for Simulation and Multidisciplinary Design Optimization
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This paper is devoted to the modeling of finite deformations of elastic bodies under contact/impact conditions. ...
The proposed Bi-First algorithm combines the bi-potential method for contact modeling in dynamic cases and the first order algorithm for integration of the equation of motion. ...
The total simulation time is 0.02 s and the solution parameters are: Δt = 10 −4 s, ξ = θ = 0.5.
Fig. 7 .Fig. 8 . 78 Deformed Energy evolution vs. time. ...
doi:10.1051/ijsmdo:2008026
fatcat:w3gykgd5jzfyhocbrjffkfd6hy
Nonlinear dynamic analysis on rigid-flexible coupling system of an elastic beam
2012
Theoretical and Applied Mechanics Letters
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It is shown that the simulation results accord with energy conservation principle. ...
The angular velocity and the tip deformation of the elastic pendulum are calculated. ...
This work was supported by the National Natural Science Foundation of China (11132007). ...
doi:10.1063/2.1202301
fatcat:jhuudcicqnfongc2zcvfara3cm
Page 761 of Astronomy and Astrophysics Vol. 310, Issue 3
[page]
1996
Astronomy and Astrophysics
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Energy considerations
We point out that energy conservation does not have the same meaning in self-consistent simulations (étprr = 6t) and for the MTBA code (é6tprr = 00). ...
Run A is a template N-body simulation of a head-on collision between the
— N-body run (A)
MTBA run (B5)
Orbital energy E,,, (t)
Time (Gyr)
Fig. 3. ...
A physically faithful multigrid method for fast cloth simulation
2008
Computer Animation and Virtual Worlds
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The performance of our approach is demonstrated on a number of garment simulations implemented by the state of the art techniques: the implicit integration, the triangle-based in-plane energy model, and ...
We addresses this problem by developing a physically faithful technique ensuring the conservation of all physical quantities across levels. ...
The adaptive method is one of popular acceleration techniques for deformable body simulation. Acceleration is achieved by allocating as many elements as the simulation detail requires. ...
doi:10.1002/cav.255
fatcat:laxdrj5djfax7pvapwrfc5gnke
Numerical simulation of a marine current turbine in free surface flow
2014
Renewable Energy
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In order to capture the blade deformation, an independent set of mesh was created for the solid body of the MCT. ...
BACKGROUND Compared with other forms of the renewable energy sources (solar and wind energy etc), tidal power has the distinct advantage of being highly predictable and has an important potential for future ...
doi:10.1016/j.renene.2013.09.042
fatcat:wotdg4uwizanpb23uecaamkezm
Modelling heat and mass transfer in bread baking with mechanical deformation
2012
Journal of Physics, Conference Series
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Local deformation is included in equations using solid phase conservation and, global deformation is calculated using a viscous mechanic model. ...
Then, the model is analysed according to physical properties of bread and solicitations for a better understanding of the interactions between different mechanisms within the porous matrix. ...
An improvement of the energy efficiency of the oven would make it possible to reduce the energy request for this sector and consequently the CO 2 emissions. ...
doi:10.1088/1742-6596/395/1/012146
fatcat:fp2uvm2bpjdrraovtpysc2aznu
High-fidelity passive force-reflecting virtual environments
2005
IEEE Transactions on robotics
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This is applied to the haptic rendering of tool contact with deformable bodies, in which sparse force-deflection responses are used to define local models. ...
Index Terms-Deformable bodies, force-reflective virtual environments, haptic simulation, passivity. 1552-3098/$20.00 © 2005 IEEE (2005) 21(1):38-46. ...
ACKNOWLEDGMENT The authors would like to thank the reviewers for helpful comments. ...
doi:10.1109/tro.2004.833819
fatcat:bzxawvdw6fdsbacjv5l5up2ffy
Study on Mechanical Characteristics of Energy-Absorbing and Anti-Scour Bolts
2021
Complexity
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Theoretical and numerical simulation studies show that the energy-absorbing device has a repeatable deformation failure mode and a constant yield force. ...
In order to improve the impact resistance and mechanical performance of anchor rods and satisfy the requirements for supporting rockburst roadways, the energy balance equation of the energy-absorbing support ...
For the energy-absorbing device to effectively function, its displacement force should be greater than the yielding force of the bar body; moreover, the breaking force of the bar body should be low. ...
doi:10.1155/2021/8876517
fatcat:34iejw54q5hvfny74wtr5y3nhy
Vehicle Side Crash Safety Research based on Dynamics Modeling and Analysis
2014
The Open Mechanical Engineering Journal
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The simulation calculation and result analysis of side crash are carried out for a particular vehicle model to improve the side crash safety performance. ...
The safety of vehicle side impact has become an important research content in the field of automotive passive safety. ...
ACKNOWLEDGEMENTS This work is supported by the Science and Technology Department of Zhejiang Province in 2013 project "Internet based specialty car simulation training platform to build" (NO. 2013C31077 ...
doi:10.2174/1874155x01408010765
fatcat:odqxehpu4rhqbjlqsn2e6i72a4
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