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Coupling Finite Element and Mesh-free Methods for Modelling Brain Deformation in Response to Tumour Growth
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Very little is known about the deformation effects of tumour growth within the brain. Computer simulations have the potential to calculate such deformations. A method for computing localised high deformations within the brain's soft tissue is presented. [...]

Orientation definition of anisotropy is important to finite element simulation of bone material properties
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The assignment of bone material properties to finite element model is a fundamental step in finite element analysis and has great influence on analysis results. Most work done in this area has adopted isotropic assignment strategy as its simplicity. However, [...]

Inverse Nonlinear Finite Element Methods for Surgery Simulation and Image Guidance
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Nonlinear finite element methods are described in which cyclic organ motion is implied from 4D scan data. The equations of motion corresponding to an explicit integration of the total Lagrangian formulation are reversed, such that the sequence of node forces [...]

Assessment of Peri-Articular Implant Fitting Based on Statistical Finite Element Modeling
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We present a framework for statistical finite element analysis allowing performing statistical statements of biomechanical performance of peri-articular implants across a given population. In this paper, we focus on the design of orthopaedic implants that fit [...]

Predicting implant stability: in vitro validation in artificial bone
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Primary stability of osseointegrated implants is necessary for short and long-term success of the treatment. This paper presents a method to help clinicians preoperatively assess this primary implant stability. The method combines a planning software with a [...]

Comparison of Displacement-Based and Force-Based Mapped Meshing
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The finite element (FE) method is a powerful tool for the study of biomechanics. One of the limiting factors in transitioning this tool into the clinic is the time required to generate high quality meshes for analysis. Previously, we developed a mapped [...]

An ITK Implementation of Physics-based Non-rigid Registration Method
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As part of the ITK v4 project efforts, we have developed ITK filters for physics-based non-rigid registration (PBNRR), which satisfies the following requirements: account for tissue properties in the registration, improve accuracy compared to rigid [...]

Integration of Geometrical Boundary Conditions on Soft Tissue Characterization under large deformation
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Soft tissue characterization with finite element (FE) modeling is important to develop a realistic model for medical simulation, since it is possible to display complex tool-tissue interactions during medical interventions. However, it is difficult to [...]


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