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    <title>tema Re: Prabolic Duct in Rectangular Block en AutoCAD Forum</title>
    <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469612#M820556</link>
    <description>&lt;P&gt;Are you modeling tension rods in the slab?&lt;/P&gt;</description>
    <pubDate>Sun, 31 Jul 2016 21:22:48 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2016-07-31T21:22:48Z</dc:date>
    <item>
      <title>Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468723#M820550</link>
      <description>&lt;P&gt;Hello All,&lt;/P&gt;&lt;P&gt;I am trying to model a rectangular 3D slab with size 4.3mX1.6mX0.16m with a duct of 15.7mm.&lt;/P&gt;&lt;P&gt;The duct should start from center at one end and then should go parabolically to the other end ending again at center. the maximum depth of duct should be 50mm .&amp;nbsp;&lt;/P&gt;&lt;P&gt;How can i do that?&lt;/P&gt;</description>
      <pubDate>Sat, 30 Jul 2016 17:49:36 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468723#M820550</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-07-30T17:49:36Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468739#M820551</link>
      <description>&lt;P&gt;I'm having a hard time imagining what you're describing.&amp;nbsp; An image [even a scan of a hand sketch] would be very helpful.&lt;/P&gt;</description>
      <pubDate>Sat, 30 Jul 2016 18:08:23 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468739#M820551</guid>
      <dc:creator>Kent1Cooper</dc:creator>
      <dc:date>2016-07-30T18:08:23Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468796#M820552</link>
      <description>hi,I am Attaching a sketch of it. I need a rectangular slab with a duct in between which is parabolic in nature.(the duct varies parabolically)&lt;BR /&gt;Thanks in Advance&amp;nbsp;Regards,Prashant MotwaniResearch Scholar, Civil Engineering Dept.Indian Institute of Technology(IIT), BombayContact: +91-9981135555Email: 164040005@iitb.ac.in, motwaniiitb@gmail.com</description>
      <pubDate>Sat, 30 Jul 2016 19:29:20 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468796#M820552</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-07-30T19:29:20Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468844#M820553</link>
      <description>&lt;P&gt;[nothing attached....]&lt;/P&gt;</description>
      <pubDate>Sat, 30 Jul 2016 21:04:58 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6468844#M820553</guid>
      <dc:creator>Kent1Cooper</dc:creator>
      <dc:date>2016-07-30T21:04:58Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469040#M820554</link>
      <description>&lt;P&gt;Sorry for that. PFA&lt;/P&gt;</description>
      <pubDate>Sun, 31 Jul 2016 04:12:55 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469040#M820554</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-07-31T04:12:55Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469062#M820555</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;STRONG&gt;Sweep&lt;/STRONG&gt; command will serve you.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;IMG src="https://forums.autodesk.com/t5/image/serverpage/image-id/259255i87C1BE1F9BDC7790/image-size/original?v=v2&amp;amp;px=-1" border="0" alt="Sweep.png" title="Sweep.png" width="357" height="335" /&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;A sample.dwg attached..&lt;/P&gt;</description>
      <pubDate>Sun, 31 Jul 2016 06:05:40 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469062#M820555</guid>
      <dc:creator>imadHabash</dc:creator>
      <dc:date>2016-07-31T06:05:40Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469612#M820556</link>
      <description>&lt;P&gt;Are you modeling tension rods in the slab?&lt;/P&gt;</description>
      <pubDate>Sun, 31 Jul 2016 21:22:48 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469612#M820556</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-07-31T21:22:48Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469903#M820557</link>
      <description>no i need to model postension strand in the parabolic duct.I am going to export the slab in ABAQUS and do its Finite Element Analysis.&amp;nbsp;Can You help in modeling ?</description>
      <pubDate>Mon, 01 Aug 2016 04:17:40 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469903#M820557</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2016-08-01T04:17:40Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469963#M820558</link>
      <description>&lt;P&gt;I guess the remaining concern would be the Parabola.&amp;nbsp; That can be made using a degree 2 spline.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I'm not sure about all the dimensions, specifically the duct dia.(15.7 ?), or&amp;nbsp;what the 0.05 M drop refers to (duct wall), but the attached&amp;nbsp;is my interpretation.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 01 Aug 2016 05:45:38 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6469963#M820558</guid>
      <dc:creator>SEANT61</dc:creator>
      <dc:date>2016-08-01T05:45:38Z</dc:date>
    </item>
    <item>
      <title>Re: Prabolic Duct in Rectangular Block</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6472552#M820559</link>
      <description>&lt;P&gt;This screencast demonstrates the viability of a degree 2 spline as a parabola:&amp;nbsp;&lt;/P&gt;
&lt;DIV class="myscreencast-iframe iframe-container active-myscreencast" id="01406d7b-a2ec-4c93-9c09-015f35515e1e"&gt;&lt;IFRAME width="640" height="650" src="https://screencast.autodesk.com/Embed/Timeline/01406d7b-a2ec-4c93-9c09-015f35515e1e" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" style="display: inline;" webkitallowfullscreen="webkitallowfullscreen"&gt;&lt;/IFRAME&gt;&lt;/DIV&gt;</description>
      <pubDate>Tue, 02 Aug 2016 10:03:53 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/prabolic-duct-in-rectangular-block/m-p/6472552#M820559</guid>
      <dc:creator>SEANT61</dc:creator>
      <dc:date>2016-08-02T10:03:53Z</dc:date>
    </item>
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