Adaptive refinement for mass/spring simulations
Proceedings of the Eurographics workshop on Computer animation and simulation '96
Models and algorithms for the collision of rigid and deformable bodies
WAFR '98 Proceedings of the third workshop on the algorithmic foundations of robotics on Robotics : the algorithmic perspective: the algorithmic perspective
Interactive animation of structured deformable objects
Proceedings of the 1999 conference on Graphics interface '99
Real-Time Elastic Deformations of Soft Tissues for Surgery Simulation
IEEE Transactions on Visualization and Computer Graphics
A Microsurgery Simulation System
MICCAI '01 Proceedings of the 4th International Conference on Medical Image Computing and Computer-Assisted Intervention
Simulated Interactive Needle Insertion
HAPTICS '02 Proceedings of the 10th Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems
WSEAS TRANSACTIONS on SYSTEMS
Craniofacial reconstruction based on MLS deformation
WSEAS Transactions on Computers
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We present an alternative online simulation model for human tissue. Online simulation of human tissue deformation during surgical training or surgical assistance is becoming increasingly important within the medical community. Unfortunately, even classical simulation models find human tissue to be computationally too costly for online simulation. In this paper, we simplify the complex biomechanical nature of human tissue within reasonable limits to develop a mathematical model which can be used for online simulation. This simplification is based on two principles; volume conservation and Pascal's Principle. Volume conservation is inherent to many organs in the human body due to the high concentration of blood (almost incompressible liquid) in them. Given an externally applied force, we use Pascal's Principle to obtain the global deformation vector at each time-step during simulation.