Applies To Product(s): AutoPIPE, Version(s): 2004, XM, & V8i Environment: N/A Area: Error Subarea: Original Author: Bentley Technical Support Group Problem: The following appears when ever I try to analyze the model: E801-5 ZERO ELEMENT STIFFNESS Why and how to avoid? Answer: Some where in the model is a Zero element stiffness that has been specified by the user or during the import process. However the warning message does not provide the node point or element location. Suggest reviewing the entire model paying special attention to any 0.00 values. One method of doing this would to create a complete Tools Model Input listing report and searching it for all 0.00 values. Be sure to review alll the pipe properties and beam properties for each entry in the model. Another approach would be to isolate the issue by assigning all the pipes one diameter and/or one material to see if the problem goes away. If the model includes beams too, the same applies to the beams, they need to have a real size (with area and inertia) and a valid E value. If the warning does not appear after these changes they it was definitely a pipe/beam property issue. Some people have mentioned that this occurs after assigning soil properties. Again, be sure to check all soil properties have a positive value larger that 0.00. If you continue to experience this error message please log a Service Request with Bentley and send in your zipped AutoPIPE APC file . See Also Bentley AutoPIPE External Links Bentley Technical Support KnowledgeBase Bentley LEARN Server Comments or Corrections? Bentley's Technical Support Group requests that you please submit any comments you have on this Wiki article to the "Comments" area below. THANK YOU!
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