scholarly journals Efficient linear and nonlinear heat conduction with a quadrilateral element

1984 ◽  
Vol 20 (5) ◽  
pp. 931-948 ◽  
Author(s):  
Wing Kam Liu ◽  
Ted Belytschko
Author(s):  
Fuzhang Zhao

A new optimal weighting factor for a single-step trapezoidal method, θ = 0.618, has been developed to solve transient linear and nonlinear heat conduction problems. The numerical results based on the optimal weighting factor developed, through both linear and nonlinear benchmark tests, are compared with other commonly used single-step trapezoidal methods with emphasis on the combination of both accuracy and efficiency in the solution. The optimal weighting factor of single-step method has been proved to be very accurate, stable, and efficient. The relevant features for the single-step trapezoidal methods are also addressed.


AIAA Journal ◽  
1983 ◽  
Vol 21 (6) ◽  
pp. 902-908 ◽  
Author(s):  
Surapong Tovichakchaikul ◽  
Joseph Padovan

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