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Abstract: The couple of current, temperature and stress are studied
in metal thin plate with crack at the moment while pulse current is
switched on. In analysis, the finite methods are used. The analysis
process is composed of the thermal-electrical coupled and
thermal-mechanical coupled. The evolutive process of
current-temperature-stress is simulated in numerical analysis, the
thermal stress around crack is solved at the moment while the pulse
current is switched on. The temperature field and stress field results
of numerical simulation correspond to the results of theoretical
analysis.
Key words: Crack arresting Pulse current discharge Temperature
field Thermal stress field
CLC No: O482.6
O346.1
国家自然科学基金(19772046)和河北省自然科学基金资助项目(599255).
Received 20010228, received
in revised form 20010604
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