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[求助]
comsol 模擬出現(xiàn)問題了,求指導
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用comsol multiphsysics5.1中的solid模塊對煤層開挖進行模擬,但是解算的時候出現(xiàn)這些問題,求指導“除零錯。 - 函數(shù): / 計算符號微分變量失敗。 - 變量: comp1.solid2.Qplast@VDN$comp1.solid2.Sl11@VDN$comp1.solid2.epl11 - 定義為: ((0.083333333333333329*(((3-sin(comp1.solid2.internalphi/unit_rad_cf))^2)*(0.5*((((-0.33333333333333331)*(2*((-comp1.solid2.D13)-(0.33333333333333331*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11)))))))+((-0.33333333333333331)*(2*((-comp1.solid2.D12)-(0.33333333333333331*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))))))+(0.66666666666666674*(2*((-comp1.solid2.D11)-(0.33333333333333331*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11)))))))))))-(((((dflc2hs(comp1.solid2.I1s,0)/0)-(dflc2hs(comp1.solid2.I1s-(((comp1.solid2.cohesion*3)*cos(comp1.solid2.internalphi/unit_rad_cf))/sin(comp1.solid2.internalphi/unit_rad_cf)),0)/0))*((((comp1.solid2.cohesion*cos(comp1.solid2.internalphi/unit_rad_cf))-((comp1.solid2.I1s*sin(comp1.solid2.internalphi/unit_rad_cf))/3))*2)*(-(0.33333333333333331*(sin(comp1.solid2.internalphi/unit_rad_cf)*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))))))+((((comp1.solid2.cohesion*cos(comp1.solid2.internalphi/unit_rad_cf))-((comp1.solid2.I1s*sin(comp1.solid2.internalphi/unit_rad_cf))/3))^2)*((((ddflc2hs(comp1.solid2.I1s,0)/0)*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))*Inf1.#INF)-(((ddflc2hs(comp1.solid2.I1s-(((comp1.solid2.cohesion*3)*cos(comp1.solid2.internalphi/unit_rad_cf))/sin(comp1.solid2.internalphi/unit_rad_cf)),0)/0)*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))*Inf1.#INF))))+((((-(sin(comp1.solid2.internalphi/unit_rad_cf)*0.33333333333333331))*(((comp1.solid2.cohesion*cos(comp1.solid2.internalphi/unit_rad_cf))-((comp1.solid2.I1s*sin(comp1.solid2.internalphi/unit_rad_cf))/3))*2))*(((dflc2hs(comp1.solid2.I1s,0)/0)*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))-((dflc2hs(comp1.solid2.I1s-(((comp1.solid2.cohesion*3)*cos(comp1.solid2.internalphi/unit_rad_cf))/sin(comp1.solid2.internalphi/unit_rad_cf)),0)/0)*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))))+((flc2hs(comp1.solid2.I1s,0)-flc2hs(comp1.solid2.I1s-(((comp1.solid2.cohesion*3)*cos(comp1.solid2.internalphi/unit_rad_cf))/sin(comp1.solid2.internalphi/unit_rad_cf)),0))*((-(sin(comp1.solid2.internalphi/unit_rad_cf)*0.33333333333333331))*(2*(-(0.33333333333333331*(sin(comp1.solid2.internalphi/unit_rad_cf)*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))))))))))+((((-(dflc2hs(-comp1.solid2.I1s,0)/0))*(((comp1.solid2.cohesion*cos(comp1.solid2.internalphi/unit_rad_cf))^2)*(((Inf*comp1.solid2.I1s)*2)*(Inf*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11)))))))+((((comp1.solid2.cohesion*cos(comp1.solid2.internalphi/unit_rad_cf))^2)*(((Inf*comp1.solid2.I1s)^2)+(-1)))*(-(((ddflc2hs(-comp1.solid2.I1s,0)/0)*(-((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11)))))*Inf1.#INF))))+(((((comp1.solid2.cohesion*cos(comp1.solid2.internalphi/unit_rad_cf))^2)*(Inf*((Inf*comp1.solid2.I1s)*2)))*((dflc2hs(-comp1.solid2.I1s,0)/0)*(-((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11))))))+(flc2hs(-comp1.solid2.I1s,0)*(((comp1.solid2.cohesion*cos(comp1.solid2.internalphi/unit_rad_cf))^2)*(Inf*(2*(Inf*((-comp1.solid2.D13)+((-comp1.solid2.D12)+(-comp1.solid2.D11)))))))))) 計算表達式失敗。 - 表達式: d(d(comp1.solid2.Qplast,comp1.solid2.Sl11),comp1.solid2.epl11) ” |
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