<![CDATA[Cervenka Consulting Forums — About some warnings]]>2013-06-10T05:33:04ZPunBBhttps://forums.cervenka.cz/viewtopic.php?id=1636<![CDATA[Re: About some warnings]]>Hello, please see the ATENA Troubleshooting Manual, section 2.2.6 Floating point problems - Division by zero, Loss of >7 digits on the matrix diagonal, Floating point exception: Multiple floating points traps, Zero or negative jacobian, InvertA: zero determinant, CCMaterials Extended AExc: CC5ParamYield F: project_stress_on_f_division by zero, and similar]]>https://forums.cervenka.cz/profile.php?id=42013-06-10T05:33:04Zhttps://forums.cervenka.cz/viewtopic.php?pid=2912#p2912<![CDATA[About some warnings]]>Hi there, I am working with ATENA 3D v4 to simulate the punching shear failure of two-way slabs,during the anlysis,I always got the information"(*) Warning: Sign of diagonal changed when reducing equation: 41830, (node: 1023, dof_id: 1); value : 639.054 (*) Warning: Loss of at least 7 digits in reducing diagonal of equation: 41836, (node: 2056, dof_id: 1); value: 5692.69 (*) Warning: Loss of at least 7 digits in reducing diagonal of equation: 41837, (node: 2056, dof_id: 2); value: 4337.43;But the calculation is continue.I don't know why.So,I think I need your help.