A time-domain finite element formulation of the equivalent fluid model for the acoustic wave equation

Topical Issue - Numerical, computational and theoretical acoustics

Open Access

Table 2

Overview of resulting element sizes h_el for the given combinations of length discretizations l0 to l6 and spatial discretization h0 to h5 considered in the convergence study.

k	h_trg,k (m)	l0	l1	l2	l3	l4	l5	l6
0	0.05000	0.04863	0.04863	0.04863	0.03648	0.03648	–	–
1	0.02500	0.02537	0.02432	0.02432	0.02432	0.01824	0.01824	–
2	0.01250	0.01242	0.01269	0.01216	0.01216	0.01216	0.00912	0.00912
3	0.00625	0.00628	0.00621	0.00634	0.00608	0.00608	0.00608	0.00456
4	0.00313	0.00312	0.00314	0.00310	0.00317	0.00304	0.00304	0.00304
5	0.00156	0.00156	0.00156	0.00157	0.00155	0.00159	0.00152	0.00152

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