{"id":5195,"date":"2020-04-30T07:24:49","date_gmt":"2020-04-30T07:24:49","guid":{"rendered":"http:\/\/buildsoftsupport.com\/?post_type=ht_kb&#038;p=5195"},"modified":"2025-06-02T06:35:47","modified_gmt":"2025-06-02T06:35:47","slug":"error-objectreference-not-set-to-an-instance-of-an-object-at-buildsoft-tmaterial-getpoissonratio","status":"publish","type":"ht_kb","link":"https:\/\/support.buildsoft.eu\/es\/knowledge-base\/error-objectreference-not-set-to-an-instance-of-an-object-at-buildsoft-tmaterial-getpoissonratio\/","title":{"rendered":"Error: Object reference not set to an instance of an object at Buildsoft.TMaterial.GetPoissonRatio"},"content":{"rendered":"<p>When running the elastic analysis you get the error:<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-5196 aligncenter\" src=\"http:\/\/buildsoftsupport.com\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio.png\" alt=\"\" width=\"500\" height=\"274\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio.png 500w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio-300x164.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio-50x27.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio-60x33.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio-35x19.png 35w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<h1>Solution<\/h1>\n<p>The default materials in the Diamonds library contains all necessary properties to perform the elastic analysis. If you add materials yourself (like masonry), you should at least define the mechanical properties. Otherwise Diamonds cannot describe the elastic behaviour of the material.<\/p>\n<ul>\n<li>Go to <em>Edit<\/em> &gt; <em>Material Library<\/em><\/li>\n<li>Select a user defined material.<\/li>\n<li>Make sure Young&#8217;s modulus, Poison ratio, transver Young&#8217;s modulus, the thermal dilation coefficient and the density are imposed.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-large wp-image-5198 aligncenter\" src=\"http:\/\/buildsoftsupport.com\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2-1024x666.png\" alt=\"\" width=\"643\" height=\"418\" srcset=\"https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2-1024x666.png 1024w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2-300x195.png 300w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2-768x500.png 768w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2-50x33.png 50w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2-60x39.png 60w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2-35x23.png 35w, https:\/\/support.buildsoft.eu\/wp-content\/uploads\/2020\/04\/ErrorGetPoissonRatio2.png 1062w\" sizes=\"(max-width: 643px) 100vw, 643px\" \/><\/p>\n<h2>Solution 2<\/h2>\n<ul>\n<li>Instead of adjusting the current user defined material, make a new material.<br \/>\nRemember to enter all mechanical properties.<\/li>\n<li>Assign the new material to the model.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>When running the elastic analysis you get the error: Solution The default materials in the Diamonds library contains all necessary properties to perform the elastic analysis. If you add materials yourself (like masonry), you should at least define the mechanical properties. Otherwise Diamonds cannot describe the elastic behaviour of the&#8230;<\/p>\n","protected":false},"author":3,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[65],"ht-kb-tag":[],"_links":{"self":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/5195"}],"collection":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/comments?post=5195"}],"version-history":[{"count":3,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/5195\/revisions"}],"predecessor-version":[{"id":15244,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb\/5195\/revisions\/15244"}],"wp:attachment":[{"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/media?parent=5195"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb-category?post=5195"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/support.buildsoft.eu\/es\/wp-json\/wp\/v2\/ht-kb-tag?post=5195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}