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shengxiang

木虫 (著名写手)

[交流] 【求助】Energy difference between successive steps in dynamics is greater 已有2人参与

在MS中discover模块中跑动力学的时候总是提示如下信息:
Error: Dynamics: Energy difference between successive steps in dynamics is greater than the user defined variable DEVIATION,  5000.000
    invoked from within
"dynamics \
    time = 5000.00 \
    timestep = 1.00 \
    initial_temperature = 298.00 \
    ensemble = NVT \
    temperature_control_method = anderse ..."
麻烦各位看一下这是什么原因,在不换模块的前提下有什么解决办法吗?
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huangnana

木虫 (小有名气)

★ ★
hometownlove(金币+2):谢谢交流 2010-04-12 18:45
shengxiang(金币+1): 2010-04-27 08:26
先用Minimize优化,进行充分能量最小化,再用Dynamic.
原因可能是粒子受力过大,运动过快所致,造成模拟上的不稳定
我始终相信球上则居中,求中则居下,求稳则完蛋
2楼2010-04-12 17:46:08
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qasd

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shengxiang(金币+1): 2010-04-27 08:26
minimize 5000 steps
3楼2010-04-12 21:15:13
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