求大佬，为啥弯矩这么小

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DK,P51X, , , ,0,UY,UZ,ROTX,ROTY, , ,
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SFBEAM,P51X,2,PRES,20000, , , , , ,0
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AVPRIN,0, ,
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AVPRIN,0, ,
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AVPRIN,0, ,
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剪力和结构力学求解器误差很小，但是ansys的弯矩为啥这么小

你的这个单位都是N和mm吧