The Experts below are selected from a list of 20256 Experts worldwide ranked by ideXlab platform
Michael A Scott - One of the best experts on this subject based on the ideXlab platform.
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a 3d isogeometric be fe analysis with dynamic remeshing for the simulation of a deformable particle in shear flows
Computer Methods in Applied Mechanics and Engineering, 2017Co-Authors: Jorge Maestre, Jordi Pallares, I Cuesta, Michael A ScottAbstract:Abstract A three-dimensional isogeometric coupled boundary element and finite element approach based on analysis suitable T-splines is developed for the simulation of deformable capsules suspended in shear flows. Boundary element analysis is used to solve the fluid Stokes equation whereas the hydrodynamic Membrane Load is computed via isogeometric analysis under the assumption that the Membrane is a hyper-elastic thin shell with negligible bending resistance. The smoothness of the T-spline basis functions accommodate large deformations of the capsule without the need for additional smoothing techniques, and can be used to accurately compute the Membrane Load. A balanced distribution of Membrane elements can be constructed using an unstructured locally refined mesh. These properties are coupled with an adaptive temporal implicit integration scheme. Several benchmark examples are solved to illustrate the accuracy and potential of the method. The approach is then applied to simulate the dynamics of a capsule in a real geometry of a brain capillary.
Jorge Maestre - One of the best experts on this subject based on the ideXlab platform.
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a 3d isogeometric be fe analysis with dynamic remeshing for the simulation of a deformable particle in shear flows
Computer Methods in Applied Mechanics and Engineering, 2017Co-Authors: Jorge Maestre, Jordi Pallares, I Cuesta, Michael A ScottAbstract:Abstract A three-dimensional isogeometric coupled boundary element and finite element approach based on analysis suitable T-splines is developed for the simulation of deformable capsules suspended in shear flows. Boundary element analysis is used to solve the fluid Stokes equation whereas the hydrodynamic Membrane Load is computed via isogeometric analysis under the assumption that the Membrane is a hyper-elastic thin shell with negligible bending resistance. The smoothness of the T-spline basis functions accommodate large deformations of the capsule without the need for additional smoothing techniques, and can be used to accurately compute the Membrane Load. A balanced distribution of Membrane elements can be constructed using an unstructured locally refined mesh. These properties are coupled with an adaptive temporal implicit integration scheme. Several benchmark examples are solved to illustrate the accuracy and potential of the method. The approach is then applied to simulate the dynamics of a capsule in a real geometry of a brain capillary.
Colin Bailey - One of the best experts on this subject based on the ideXlab platform.
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Membrane action of slab beam composite floor systems in fire
Engineering Structures, 2004Co-Authors: Colin BaileyAbstract:A structural performance-based design approach for steel beams supporting a composite floor system is presented allowing designers to specify fire protection to only a proportion of the steel beams within a given floor plate. The approach is a further development of a previous simplified design method where Membrane action of the composite floor slab was included. The new method, presented in this paper, has been extended to incorporate the Membrane action of the slab and beam system acting compositely, whereas the previous design method only considered the Membrane action of the composite slab. In addition, the new method also includes the effect of the Membrane action of the slab due to the variation in the deflected form, which is assumed to follow the changing yield-line patterns as the slab/beam system is heated in a fire. Previously, the Membrane action of the composite slab was based on the lower-bound yield-line pattern assuming the slab and supporting beams acted independently. Comparison with the previous design approach shows that the simplifications, of ignoring the variation in the deflected form, and ignoring the contribution of the unprotected steel beams to the Membrane Load-carrying capacity of the system, were conservative.
Jordi Pallares - One of the best experts on this subject based on the ideXlab platform.
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a 3d isogeometric be fe analysis with dynamic remeshing for the simulation of a deformable particle in shear flows
Computer Methods in Applied Mechanics and Engineering, 2017Co-Authors: Jorge Maestre, Jordi Pallares, I Cuesta, Michael A ScottAbstract:Abstract A three-dimensional isogeometric coupled boundary element and finite element approach based on analysis suitable T-splines is developed for the simulation of deformable capsules suspended in shear flows. Boundary element analysis is used to solve the fluid Stokes equation whereas the hydrodynamic Membrane Load is computed via isogeometric analysis under the assumption that the Membrane is a hyper-elastic thin shell with negligible bending resistance. The smoothness of the T-spline basis functions accommodate large deformations of the capsule without the need for additional smoothing techniques, and can be used to accurately compute the Membrane Load. A balanced distribution of Membrane elements can be constructed using an unstructured locally refined mesh. These properties are coupled with an adaptive temporal implicit integration scheme. Several benchmark examples are solved to illustrate the accuracy and potential of the method. The approach is then applied to simulate the dynamics of a capsule in a real geometry of a brain capillary.
I Cuesta - One of the best experts on this subject based on the ideXlab platform.
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a 3d isogeometric be fe analysis with dynamic remeshing for the simulation of a deformable particle in shear flows
Computer Methods in Applied Mechanics and Engineering, 2017Co-Authors: Jorge Maestre, Jordi Pallares, I Cuesta, Michael A ScottAbstract:Abstract A three-dimensional isogeometric coupled boundary element and finite element approach based on analysis suitable T-splines is developed for the simulation of deformable capsules suspended in shear flows. Boundary element analysis is used to solve the fluid Stokes equation whereas the hydrodynamic Membrane Load is computed via isogeometric analysis under the assumption that the Membrane is a hyper-elastic thin shell with negligible bending resistance. The smoothness of the T-spline basis functions accommodate large deformations of the capsule without the need for additional smoothing techniques, and can be used to accurately compute the Membrane Load. A balanced distribution of Membrane elements can be constructed using an unstructured locally refined mesh. These properties are coupled with an adaptive temporal implicit integration scheme. Several benchmark examples are solved to illustrate the accuracy and potential of the method. The approach is then applied to simulate the dynamics of a capsule in a real geometry of a brain capillary.