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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Bradley, C.P. Harris, G.M. Pullan, A.J. |
| Copyright Year | 1964 |
| Abstract | Presents a thorough analysis of the computational performance of a coupled cubic Hermite boundary element/finite element procedure. This C/sup 1/ (i.e., value and derivative continuous) method has been developed specifically for electropotential problems, and has been previously applied to torso and skull problems. Here, the behavior of this new procedure is quantified by solving a number of dipole in spheres problems. A detailed set of results generated with a wide range of the various input parameters (such as dipole orientation, location, conductivity, and solution method used in each spherical shell [either finite element or boundary elements]) is presented. The new cubic Hermite boundary element procedure shows significantly better accuracy and convergence properties and a significant reduction in CPU time than a traditional boundary element procedure which uses linear or constant elements. Results using the high-order method are also compared with other computational methods which have had quantitative results published for electropotential problems. In all eases, the high-order method offered a significant improvement in computational efficiency by increasing the solution accuracy for the same, or fewer, solution degrees of freedom. |
| Sponsorship | IEEE Engineering in Medicine and Biology Society |
| Page Count | 13 |
| File Size | 215670 |
| Starting Page | 1238 |
| Ending Page | 1250 |
| File Format | |
| ISSN | 00189294 |
| Volume Number | 48 |
| Issue Number | 11 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2001-11-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | High performance computing Testing Finite element methods Boundary element methods Numerical models Torso Skull Biological system modeling Mathematical model Performance analysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biomedical Engineering |
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