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	<title>Mesh Mess</title>
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		<title>Mesh Mess</title>
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		<title>Tallest mountain</title>
		<link>http://takisword.wordpress.com/2012/01/09/tallest-mountain/</link>
		<comments>http://takisword.wordpress.com/2012/01/09/tallest-mountain/#comments</comments>
		<pubDate>Mon, 09 Jan 2012 21:14:09 +0000</pubDate>
		<dc:creator>Yi Zhang</dc:creator>
				<category><![CDATA[Flows]]></category>

		<guid isPermaLink="false">http://takisword.wordpress.com/?p=1318</guid>
		<description><![CDATA[Smithsonian has this post for the tallest mountain in our solar system. Let alone the 15.5 miles high Olympus (yeah, what other names can you come up with, Mordor?)  on Mars, one thing I didn&#8217;t know is the mountain height is measure from base to peak, which makes Everest far less impressive than Mauna Loa [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=takisword.wordpress.com&amp;blog=1312792&amp;post=1318&amp;subd=takisword&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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			<media:title type="html">Yi</media:title>
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			<media:title type="html">Mauna Loa</media:title>
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		<title>Point in triagle test</title>
		<link>http://takisword.wordpress.com/2011/11/21/point-in-triagle-test/</link>
		<comments>http://takisword.wordpress.com/2011/11/21/point-in-triagle-test/#comments</comments>
		<pubDate>Mon, 21 Nov 2011 16:04:53 +0000</pubDate>
		<dc:creator>Yi Zhang</dc:creator>
				<category><![CDATA[FEM]]></category>

		<guid isPermaLink="false">http://takisword.wordpress.com/?p=1311</guid>
		<description><![CDATA[For mortar method in non-conforming mesh FEM, this might come handy. Filed under: FEM<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=takisword.wordpress.com&amp;blog=1312792&amp;post=1311&amp;subd=takisword&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Yi</media:title>
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		<title>Harmonic vibration of a damped system</title>
		<link>http://takisword.wordpress.com/2011/08/13/harmonic-vibration-of-a-damped-system/</link>
		<comments>http://takisword.wordpress.com/2011/08/13/harmonic-vibration-of-a-damped-system/#comments</comments>
		<pubDate>Sat, 13 Aug 2011 16:47:32 +0000</pubDate>
		<dc:creator>Yi Zhang</dc:creator>
				<category><![CDATA[Engineering]]></category>
		<category><![CDATA[mathematica]]></category>
		<category><![CDATA[earthquake]]></category>

		<guid isPermaLink="false">http://takisword.wordpress.com/?p=1290</guid>
		<description><![CDATA[Unlike in previous post that phase change could only be or , in the damped system, as the ratio between dynamics response and static response is expressed in the same way as the undamped case the phase lag varies in . The following Mathematica outputs the displacement response factor, phase lag and normalized time history [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=takisword.wordpress.com&amp;blog=1312792&amp;post=1290&amp;subd=takisword&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Yi</media:title>
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		<media:content url="https://takisword.files.wordpress.com/2011/08/sdf_damped_low_freq.png" medium="image">
			<media:title type="html">SDF_damped_low_freq</media:title>
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			<media:title type="html">SDF_damped_high_freq</media:title>
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		<media:content url="https://takisword.files.wordpress.com/2011/08/sdf_damped_resn_1.png" medium="image">
			<media:title type="html">SDF_damped_resn_1</media:title>
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		<media:content url="https://takisword.files.wordpress.com/2011/08/sdf_damped_resn_2.png" medium="image">
			<media:title type="html">SDF_damped_resn_2</media:title>
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			<media:title type="html">SDF_damped_resn_3</media:title>
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			<media:title type="html">PSU_viscous_damper</media:title>
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		<title>Harmonic vibration of an undamped system</title>
		<link>http://takisword.wordpress.com/2011/08/12/harmonic-vibration-of-an-undamped-system/</link>
		<comments>http://takisword.wordpress.com/2011/08/12/harmonic-vibration-of-an-undamped-system/#comments</comments>
		<pubDate>Fri, 12 Aug 2011 21:48:31 +0000</pubDate>
		<dc:creator>Yi Zhang</dc:creator>
				<category><![CDATA[Engineering]]></category>
		<category><![CDATA[mathematica]]></category>
		<category><![CDATA[earthquake]]></category>

		<guid isPermaLink="false">http://takisword.wordpress.com/?p=1281</guid>
		<description><![CDATA[This can be found in virtually every dynamics textbook. The undamped system follows the frequency of the excitation, while the displacement response factor .  Response is out of phase when excitation frequency is greater than the natural frequency:  . If there is only one thing to keep in mind of harmonic SDF vibration,  I guess [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=takisword.wordpress.com&amp;blog=1312792&amp;post=1281&amp;subd=takisword&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Yi</media:title>
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			<media:title type="html">SDF</media:title>
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		<title>New water wave patterns found</title>
		<link>http://takisword.wordpress.com/2011/07/21/new-water-wave-patterns-found/</link>
		<comments>http://takisword.wordpress.com/2011/07/21/new-water-wave-patterns-found/#comments</comments>
		<pubDate>Thu, 21 Jul 2011 22:30:08 +0000</pubDate>
		<dc:creator>Yi Zhang</dc:creator>
				<category><![CDATA[Flows]]></category>
		<category><![CDATA[Math]]></category>

		<guid isPermaLink="false">http://takisword.wordpress.com/?p=1278</guid>
		<description><![CDATA[As reported in PhysOrg.com, French researches have found two new patterns of shallow water waves, through excitation of a Hele-Shaw tank. The complete paper at the Physics Review Letters can be found here. The following snapshots of the two waves are provided in PhysOrg.com.           Theses highly localized waves, as long as their well-known predecessors [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=takisword.wordpress.com&amp;blog=1312792&amp;post=1278&amp;subd=takisword&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Yi</media:title>
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			<media:title type="html">wave1</media:title>
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			<media:title type="html">wave2</media:title>
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