


{"id":293405,"date":"2023-07-17T13:57:36","date_gmt":"2023-07-17T13:57:36","guid":{"rendered":"\/forum\/forums\/reply\/293405\/"},"modified":"2023-07-17T13:57:36","modified_gmt":"2023-07-17T13:57:36","slug":"293405","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/293405\/","title":{"rendered":"Reply To: Create a real hysteresis loop in Maxwell3D"},"content":{"rendered":"<p>&lt;p&gt;Hello, &lt;br&gt;You can calculate core loss properties using a hysteresis loop while using the transient solver by following the steps below:&lt;\/p&gt;<\/p>\n<ol>&lt;li class=&#8221;EnumList1&#8243; value=&#8221;1&#8243;&gt;Click &lt;strong class=&#8221;Command&#8221;&gt;Tools&gt;Edit Configured Libraries&gt;Materials<\/strong>. to open the &lt;strong class=&#8221;Command&#8221;&gt;Edit Libraries <\/strong>dialog box.<\/li>\n<\/ol>\n<p>&lt;ul class=&#8221;BulletListin&#8221;&gt;&lt;li class=&#8221;BulletListin&#8221;&gt;Alternatively, in the project tree, you can right-click &lt;strong class=&#8221;Command&#8221;&gt;Materials<\/strong>, under &lt;strong class=&#8221;Command&#8221;&gt;Definitions<\/strong>, and select &lt;strong class=&#8221;Command&#8221;&gt;Edit All Libraries<\/strong>.<\/li>\n<\/ul>\n<ol start=\"2\">&lt;li class=&#8221;EnumList&#8221; value=&#8221;2&#8243;&gt;Click &lt;strong class=&#8221;Command&#8221;&gt;Add Material<\/strong> to open the &lt;strong class=&#8221;Command&#8221;&gt;View\/ Edit Material<\/strong> dialog box.<\/li>\n<p>&lt;li class=&#8221;EnumList&#8221; value=&#8221;3&#8243;&gt;In the <strong>Core Loss Model<\/strong> row, select &lt;strong class=&#8221;Command&#8221;&gt;&lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;Hysteresis&lt;\/span&gt; Model<\/strong> from the &lt;strong class=&#8221;Command&#8221;&gt;Value<\/strong> pull-down list.<\/li>\n<\/ol>\n<p>&lt;p class=&#8221;ListContinued&#8221;&gt;If you select either <strong>View\/Edit Material for: This Product <\/strong>or <strong>All Products<\/strong> radio button, additional parameters appear in the table below &lt;strong class=&#8221;Command&#8221;&gt;Core Loss Model<\/strong> (&lt;strong class=&#8221;Command&#8221;&gt;Intrinsic Coercivity Hci<\/strong>, &lt;strong class=&#8221;Command&#8221;&gt;Remanency Br<\/strong>, &lt;strong class=&#8221;Command&#8221;&gt;Kc<\/strong>, and <strong>Equiv. Cut Depth<\/strong>). You can input these values directly. You can also supply the &lt;strong class=&#8221;Command&#8221;&gt;Hci<\/strong> and &lt;strong class=&#8221;Command&#8221;&gt;Br<\/strong> values in the &lt;strong class=&#8221;Command&#8221;&gt;Properties for &lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;Hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;Loop&lt;\/span&gt;<\/strong> dialog box as described below.&lt;\/p&gt;&lt;p class=&#8221;ListContinued&#8221;&gt;The <strong>&lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;Hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;Loop&lt;\/span&gt;<\/strong> selection in the &lt;strong class=&#8221;Command&#8221;&gt;Calculate Properties for<\/strong> pull-down list at the bottom of the dialog box is also enabled. This allows the coefficients &lt;strong class=&#8221;Command&#8221;&gt;Hci<\/strong>, and &lt;strong class=&#8221;Command&#8221;&gt;Br<\/strong> to be derived from a manufacturer-provided core loss curve.&lt;\/p&gt;<\/p>\n<ol start=\"4\">&lt;li class=&#8221;EnumList&#8221; value=&#8221;4&#8243;&gt;Select <strong>&lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;Hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;Loop&lt;\/span&gt;<\/strong> from the &lt;strong class=&#8221;Command&#8221;&gt;Calculate Properties for <\/strong>pull-down list at the bottom of the dialog box to open the &lt;strong class=&#8221;Command&#8221;&gt;Properties for &lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;Hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;Loop&lt;\/span&gt;<\/strong> dialog box The current BH curve coordinates are loaded by default. <strong>Hci<\/strong> and <strong>Br<\/strong> values from the &lt;strong class=&#8221;Command&#8221;&gt;Intrinsic Coercivity Hci<\/strong>, &lt;strong class=&#8221;Command&#8221;&gt;Remanency Br<\/strong> fields in the &lt;strong class=&#8221;Command&#8221;&gt;View \/ Edit Material <\/strong>dialog box are also displayed.<\/li>\n<p>&lt;li class=&#8221;EnumList&#8221; value=&#8221;5&#8243;&gt;Do one of the following to specify the &lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;loop&lt;\/span&gt; curve:&lt;br&gt;Enter the &lt;strong class=&#8221;Command&#8221;&gt;B<\/strong> and &lt;strong class=&#8221;Command&#8221;&gt;H<\/strong> values in each row of the &lt;strong class=&#8221;Command&#8221;&gt;Coordinates<\/strong> table manually. The graph updates as you enter values. Buttons allow you Add, Append, and Delete table rows as needed&lt;br&gt;&lt;ul class=&#8221;BulletListin&#8221;&gt;&lt;li class=&#8221;BulletListin&#8221;&gt;You can also import the &lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;loop&lt;\/span&gt; coordinates from a saved file.<\/li>\n<\/ul>\n<ol>&lt;li class=&#8221;AlphaList1in&#8221; value=&#8221;1&#8243;&gt;Click &lt;strong class=&#8221;Command&#8221;&gt;Import Dataset<\/strong> to open the&lt;strong class=&#8221;Command&#8221;&gt; Import Dataset <\/strong>dialog box.<\/li>\n<p>&lt;li class=&#8221;AlphaListin&#8221; value=&#8221;2&#8243;&gt;Find and select either the BH Data &lt;span class=&#8221;FileName&#8221;&gt;.bh&lt;\/span&gt; file, or the tab-delimited &lt;span class=&#8221;FileName&#8221;&gt;.tab&lt;\/span&gt; file containing the curve data points. Click &lt;strong class=&#8221;Command&#8221;&gt;Open<\/strong> to import the data.<\/li>\n<p>&lt;li class=&#8221;AlphaListin&#8221; value=&#8221;3&#8243;&gt;Optionally, click &lt;strong class=&#8221;Command&#8221;&gt;Swap X-Y Data<\/strong> to switch the B and H values if they are in the wrong columns<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>&lt;p&gt;&nbsp; 6.Optionally, enter the &lt;span class=&#8221;FieldName&#8221;&gt;Hci&lt;\/span&gt; and &lt;span class=&#8221;FieldName&#8221;&gt;Br&lt;\/span&gt; values and choose appropriate units for them. &lt;span class=&#8221;FieldName&#8221;&gt;Input Br&lt;\/span&gt; must be enabled to enable the &lt;span class=&#8221;FieldName&#8221;&gt;Br&lt;\/span&gt; entry box; otherwise, the default zero value indicates that <strong>Br<\/strong> will be determined automatically by the software. (These fields may already have values in them if previously supplied in the &lt;strong class=&#8221;Command&#8221;&gt;View \/ Edit Material <\/strong>dialog box.) Disabling &lt;span class=&#8221;FieldName&#8221;&gt;Input Br&lt;\/span&gt; resets the &lt;span class=&#8221;FieldName&#8221;&gt;Br&lt;\/span&gt; value to zero.&lt;\/p&gt;&lt;p&gt;&nbsp; 7.Optionally, select either &lt;strong class=&#8221;Command&#8221;&gt;Normal<\/strong> (the default) or &lt;strong class=&#8221;Command&#8221;&gt;Intrinsic<\/strong> for BH curve input and plot display. When changing from Normal to Intrinsic (or vice-versa) the following dialog displays, allowing you to choose whether or not to convert B values.&lt;\/p&gt;&lt;p&gt;&nbsp;&nbsp; 8. Optionally, you can export data for the descending and ascending curve of the &lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;loop&lt;\/span&gt;. You can also export the BH curve as well as the smoothed BH curve.&lt;\/p&gt;&lt;p&gt;&nbsp;&nbsp; 9. Click &lt;strong class=&#8221;Command&#8221;&gt;OK<\/strong> to close the &lt;span class=&#8221;WindowName&#8221;&gt;Properties for &lt;span class=&#8221;SearchHighlight SearchHighlight1&#8243;&gt;Hysteresis&lt;\/span&gt; &lt;span class=&#8221;SearchHighlight SearchHighlight2&#8243;&gt;Loop&lt;\/span&gt;&lt;\/span&gt; dialog.&lt;\/p&gt;<\/p>\n<ol start=\"10\">&lt;li class=&#8221;EnumList&#8221; value=&#8221;10&#8243;&gt;Click &lt;strong class=&#8221;Command&#8221;&gt;OK<\/strong> to close the &lt;strong class=&#8221;Command&#8221;&gt;View \/ Edit Material <\/strong>dialog box.<\/li>\n<p>&lt;li class=&#8221;EnumList&#8221; value=&#8221;11&#8243;&gt;Click &lt;strong class=&#8221;Command&#8221;&gt;OK<\/strong> to close the &lt;strong class=&#8221;Command&#8221;&gt;Edit Libraries <\/strong>dialog box.<\/li>\n<\/ol>\n<p>&lt;p&gt;You can find more information on this on Maxwell Help under <a href=\"https:\/\/ansyshelp.ansys.com\/Views\/Secured\/Electronics\/v231\/en\/Subsystems\/Maxwell\/Content\/AssigningMaterials.htm?TocPath=Maxwell%2520Help%257CAssigning%2520Materials%257C_____0\">Assigning Materials<\/a>&lt;span class=&#8221;MCBreadcrumbsDivider&#8221;&gt; &gt; &lt;\/span&gt;<a href=\"https:\/\/ansyshelp.ansys.com\/Views\/Secured\/Electronics\/v231\/en\/Subsystems\/Maxwell\/Content\/PermanentMagnets.htm?TocPath=Maxwell%2520Help%257CAssigning%2520Materials%257CPermanent%2520Magnets%257C_____0\">Permanent Magnets<\/a>&lt;span class=&#8221;MCBreadcrumbsDivider&#8221;&gt; &gt; &lt;\/span&gt;&lt;span class=&#8221;MCBreadcrumbsSelf&#8221;&gt;Calculating Properties Using a Hysteresis Loop in Maxwell&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span class=&#8221;MCBreadcrumbsSelf&#8221;&gt;or under the direct link:&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&lt;span class=&#8221;MCBreadcrumbsSelf&#8221;&gt;https:\/\/ansyshelp.ansys.com\/account\/secured?returnurl=\/Views\/Secured\/Electronics\/v231\/en\/home.htm%23..\/Subsystems\/Maxwell\/Content\/CalculatingPropertiesUsingaHysteresisLoopinMaxwell.htm?Highlight=Hysteresis%20loop&lt;\/span&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&lt;br&gt;&lt;br&gt;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-293405","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"acf":[],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/293405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/reply"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/replies\/293405\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=293405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}