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《Iron and Steel》 1997-04
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DETERMINATION OF DIAMOND-SQUARE, OVAL-SQUARE PASS SERIES BY QUASI-NEWTON METHOD

HANG Naiqin HUANG Ning WANG Shenlin SHEN Qiaozhen (Wuhan University of Metallurgical Science & Technology) DUAN Jiatian YANG Dake DONG Sumei (Wuhan Iron & Steel (Group) Co.) HU Yinzhang (Daye Special Steel Co. Ltd.)  
This paper describes the method for solving system of nonlinear equations to design the size of the diamond and oval passes between square passes. Taking and Wusatowski's spread equation as an example, the method of establishing system of nonlinear equations and solution by Quasi-Newton method are discussed. The method has satisfactory reliability and efficiency, and also is good for common use. The calculation errors: ΔH_1/H_10.3%、ΔB_1/B_10.1%, ΔF_1/F_10.2%.
【CateGory Index】: TH123.1
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【Citations】
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【Co-citations】
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