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		<id>https://ideawaza.com/index.php?title=Application_of_tensor_theory_in_engineering&amp;diff=11309</id>
		<title>Application of tensor theory in engineering</title>
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		<updated>2005-06-28T17:31:18Z</updated>

		<summary type="html">&lt;p&gt;80.168.224.126: * Application of tensor theory in physics&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&#039;&#039;&#039;[[Tensor]] theory&#039;&#039;&#039; is extremely useful in advanced [[engineering]] theory.  It is used to help describe or model many natural phenomena such as: [[physical force]]s, [[potential field]]s, [[particle]] or [[control element]] motion, [[wave]] propagation, etc.&lt;br /&gt;
&lt;br /&gt;
Constructions notes:&lt;br /&gt;
&lt;br /&gt;
:A&amp;lt;sup&amp;gt;i&#039;&amp;lt;/sup&amp;gt;&amp;lt;sup&amp;gt;j&#039;&amp;lt;/sup&amp;gt;&amp;lt;sub&amp;gt;k&#039;&amp;lt;/sub&amp;gt; = x&amp;lt;sup&amp;gt;i&#039;&amp;lt;/sup&amp;gt;&amp;lt;sub&amp;gt;i&amp;lt;/sub&amp;gt; x&amp;lt;sup&amp;gt;j&#039;&amp;lt;/sup&amp;gt;&amp;lt;sub&amp;gt;j&amp;lt;/sub&amp;gt; y&amp;lt;sup&amp;gt;k&amp;lt;/sup&amp;gt;&amp;lt;sub&amp;gt;k&#039;&amp;lt;/sub&amp;gt; A&amp;lt;sup&amp;gt;i&amp;lt;/sup&amp;gt;&amp;lt;sup&amp;gt;j&amp;lt;/sup&amp;gt;&amp;lt;sub&amp;gt;k&amp;lt;/sub&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Specific examples are:&lt;br /&gt;
&lt;br /&gt;
* [[Aeronautical engineering]]&lt;br /&gt;
&lt;br /&gt;
* [[Navier-Stokes equations]]  Presented in partial differential equation form.&lt;br /&gt;
&lt;br /&gt;
* [[Vorticity]] is an important quantity in various research, modeling and design calculations regarding lift, drag, and propulsion.  It is a tensor quantity defined as:   insert gif here when available.&lt;br /&gt;
&lt;br /&gt;
* [[Continuum mechanics]]&lt;br /&gt;
&lt;br /&gt;
* dynamics of systems of rigid (assumed incompressible) bodies and particles&lt;br /&gt;
&lt;br /&gt;
* stress and strain within elastic bodies  &lt;br /&gt;
&lt;br /&gt;
* [[electromagnetism]] [[Maxwell&#039;s Equations]]&lt;br /&gt;
&lt;br /&gt;
* [[Hydrodynamics]]&lt;br /&gt;
:Tensor equations to model fluid flow can be derived as follows:&lt;br /&gt;
::Assume the fluid consists of particles which can be individually tracked as they  move in relation to Euclidean 3-space.  Thus an individual particle can be tracked as it moves.&lt;br /&gt;
::We shall use rectangular cartesian coordinates to describe our Euclidean 3 space ....  z&amp;lt;sub&amp;gt;r&amp;lt;/sub&amp;gt;&lt;br /&gt;
&lt;br /&gt;
::In the [[Lagrangian method]], all particles are then described by:&lt;br /&gt;
&lt;br /&gt;
Equation (1)   z&amp;lt;sub&amp;gt;r&amp;lt;/sub&amp;gt;=z&amp;lt;sub&amp;gt;r&amp;lt;/sub&amp;gt;(a,t)  where a stands for the set of 3 labels representing the 3 dimensions or axis of Euclidean space ... x&amp;lt;sub&amp;gt;i&amp;lt;/sub&amp;gt;,x&amp;lt;sub&amp;gt;j&amp;lt;/sub&amp;gt;,x&amp;lt;sub&amp;gt;k&amp;lt;/sub&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[Application of tensor theory in physics]]&lt;br /&gt;
&lt;br /&gt;
[[Category:Tensors]]&lt;/div&gt;</summary>
		<author><name>80.168.224.126</name></author>
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