K. Choi et al., A 2ND-ORDER ACCURATE METHOD TO A TIME-DOMAIN ANALYSIS OF WAVE-PROPAGATION IN AN IRREGULAR MESH, IEEE transactions on magnetics, 32(3), 1996, pp. 938-941
An implementation of a 2nd-order accurate technique to the general Tim
e-Domain Finite-Element algorithm is presented for the analysis of mic
rowave propagation. The Znd-order accurate method can be easily obtain
ed by using Taylor series expansion to the time derivative and added t
o a general mesh leap-frog scheme without additional computing efforts
. Test results reveal that this algorithm is effective in reducing the
dispersive errors of the irregular meshes.