rhs command

 The rhs() ("right hand side") command allows to retrieve the result of an equation in exactly the format a function would have:

rhs() ("right hand side") 명령을 사용하면 함수의 형식과 정확히 일치하는 방정식의 결과를 검색할 수 있습니다:


    Values:[

        /* m=1.2 tons */

        m=1.2*10^3,

        /* 100 km/h*/

        v=100*10^3/(60*60)

    ];

    Energy:W=1/2*m*v^2;

    at(Energy,Values);

    W_mech:rhs(%);






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Temperature effects_maturity

  In the   CEB-FIP Model Code 90 ,   maturity   is a concept used to predict the rate at which concrete gains strength based on temperature and time.   Eq. (2.1-87)   is used to calculate the   maturity-adjusted time   t_T$ $​ , which accounts for the effects of temperature on concrete's strength development. \(  S=\int d^{4} x\left(\frac{R}{2 \kappa}\right) \) begin{eqation} S=\int d^{4} x\left(\frac{R}{2 \kappa}\right) end{equation} Definition of Equation (2.1-87): The maturity-adjusted time tTt_T tT​  is calculated as: tT=∫t0texp⁡[QR(1T0−1T(τ))]dτt_T = \int_{t_0}^{t} \exp \left[ \frac{Q}{R} \left( \frac{1}{T_0} - \frac{1}{T(\tau)} \right) \right] d\tau tT​=∫t0​t​exp[RQ​(T0​1​−T(τ)1​)]dτ$$ Where: tTt_T tT​  = maturity-adjusted time (in days) tt t  = real elapsed time (in days) t0t_0 t0​  = start time for the calculation (usually 0) QQ Q  = activation energy for hydration process, typically around 33,500 J/mo...
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