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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal align=left style='margin-right:21.0pt;text-align:left;text-indent:0cm'><span lang=EN-US>Hello Nek,<o:p></o:p></span></p><p class=MsoNormal style='margin-right:21.0pt;text-indent:21.0pt'><span lang=EN-US>I just met a trouble in running the case ¡®high_ray¡¯ In ¡®benard¡¯. I changed the original 2X1 calculation field into a 1x1 cavity, and when I ran the case, the error message ¡®error in generalev¡¯ appeared on the screen. All elements of the matrix ¡®Aeig¡¯ were ¡®NaN¡¯. I guess that I made some mistakes in the .usr file, maybe wrong B.C., but I¡¯m not sure. I hope I can get some help from you. Thank you!<o:p></o:p></span></p><p class=MsoNormal align=right style='margin-right:21.0pt;text-align:right;text-indent:21.0pt'><span lang=EN-US>Kind regards<o:p></o:p></span></p><p class=MsoNormal align=right style='margin-right:21.0pt;text-align:right;text-indent:21.0pt'><span lang=EN-US>Xu Bolun <o:p></o:p></span></p></div></body></html>