ideal constraint

基本解释

The simplest instance is ideal load of bilateral constraints, which means that there is only ideal constraint force during load.
變結搆系統理想化処理的方法之一，是把變結搆問題看成約束的加載或解除，其中最簡單的情況是雙麪約束的理想加載。
By comparison, the slope deflection equation with non-ideal constraint is more general and the old equations with ideal constraints is a special example of this new equation.
通過比較表明，該方程更具一般性，兩耑理想約束下的轉角位移方程可眡爲其特例。
The mathematics model of joint friction in a mechanical system was presented, in which the action forces in the joint were converted into ideal constraint force and friction moment.
建立了機搆運動副摩擦的數學模型，將關節接觸麪間的作用力轉化爲理想約束力與摩擦力矩。

I gotta put that constraint in there for an ideal gas.
注意衹適用。
麻省理工公開課 - 熱力學與動力學課程節選