CAJ | 학술논문

在Fick第二定律的基础上，根据废弃玻璃骨料混凝土中的氯离子基本方程，提出了用于废弃玻璃骨料混凝土氯离子扩散问题的QR法，建立了基于常扩散系数的氯离子扩散的QR法模型。通过算例，可知QR法具有很好的计算效率和很高的计算精度，同时，与其他方法相比，可以更好地计算非规则边界的氯离子扩散问题，而且该法集有限元法、有限条法、无限元法和样条有限点法的优点于一体，克服了有限元及有限条法的缺点，不仅计算简单，而且精度高，大大降低了离散未知量，降低了计算工作量，保证了计算精度和效率。
재Fick제이정률적기출상，근거폐기파리골료혼응토중적록리자기본방정，제출료용우폐기파리골료혼응토록리자확산문제적QR법，건립료기우상확산계수적록리자확산적QR법모형。통과산례，가지QR법구유흔호적계산효솔화흔고적계산정도，동시，여기타방법상비，가이경호지계산비규칙변계적록리자확산문제，이차해법집유한원법、유한조법、무한원법화양조유한점법적우점우일체，극복료유한원급유한조법적결점，불부계산간단，이차정도고，대대강저료리산미지량，강저료계산공작량，보증료계산정도화효솔。
On base of the Fick's second law,the QR method for the question of the chloride ion diffusion of the waste glass aggregate concrete was researched according to the basic equation of the chloride ions and QR method.Through example ,research showed that QR method has good computational efficiency and high accuracy,while compared with other methods,it can better calculate non-regular boundary of the chloride ion diffusion problem.Moreover,the QR method gather many advantages of finite element method,finite strip method,infinite element method and the spline finite point and overcome shortcomings of the finite element and finite strip method.It is not only simple but also highly accurate,and it greatly reduces the discrete unknown variables and computational workload,and ensure the accuracy and efficiency.