Numerical comparison between Maxwell stress method and equivalent multipole approach for calculation of the dielectrophoretic force in octupolar cell traps
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HPCES006.pdf
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398.6 KB
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bfc02361b602bd5cc473cc803f3a481d
Author(s)
Rosales, C.
Lim, K. M.
Khoo, Boo Cheong
Date Issued
January 2005
Series/Report no.
High Performance Computation for Engineered Systems (HPCES);
Abstract
This work presents detailed numerical calculations of the dielectrophoretic force in octupolar traps designed for single-cell trapping. A trap with eight planar electrodes is studied for spherical and ellipsoidal particles using an indirect implementation of the boundary element method (BEM). Multipolar approximations of orders one to three are compared with the full Maxwell stress tensor (MST) calculation of the electrical force on spherical particles. Ellipsoidal particles are also studied, but in their case only the dipolar approximation is available for comparison with the MST solution. The results show that the full MST calculation is only required in the study of non-spherical particles.
Subjects
dielectrophoretic force
boundary element method
Maxwell stress tensor
single-cell trapping
Dielectrophoresis
microelectrodes
boundary element
dielectrophoretic trap
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