An Efficient Topology Description Function Method Based on Modified Sigmoid Function

Table 1

Comparison of results of different methods for Example 1.

	Proposed	Traditional 1	Traditional 2	BESO [15]	SIMP [8]
Compliance (kN.mm)	137.5	159.4	154.35	131.6	137.2
CPU time (s)	31.8	49.3	44.9	–	–