HECRAS 2D

[Sumaiya]

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From: sumaiya nishat
Date: Thu, 20 Oct 2016 22:20:03 +0600
Message-ID:
Subject: HECRAS 2D
To: [email protected]
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Hi,

I am Sumaiya from Bangladesh.I am doing my undergrade thesis using HECRAS
2D. As to warm up i am doing a simple project. I have generated data of
X,Y,Z co-ordinate ( length, with and elevation). My questions are:

1. Can HECRAS-2D simulate steady flow?
2. Can i run my project without using Ras Mapper?
3. I have data of Weir in my project, how i add the weir data in HECRAS 2D?
4. Is Terrain data is mandatory?

I will be very much thankful if you answer my questions.

Have a nice day.

Regard,
Sumaiya

–001a11447c8c52c6a6053f4e4c4d
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Content-Transfer-Encoding: quoted-printable

Hi,

I am Sumaiya from Bangladesh.I am d=
oing my undergrade thesis using HECRAS 2D. As to warm up i am doing a simpl=
e project. I have generated data of X,Y,Z co-ordinate ( length, with and el=
evation). My questions are:

1. Can HECRAS-2D simul=
ate steady flow?

2. Can i run my project without using Ras Mapper=
?

3. I have data of Weir in my project, how i add the weir data i=
n HECRAS 2D?

4. Is Terrain data is mandatory?

I will be very much thankful if you answer my questions.

Have a nice day.

Regard,

Su=
maiya=C2=A0

–001a11447c8c52c6a6053f4e4c4d–

[Anonymous]

1. RAS 2D does not have steady flow. You could do an unsteady run with a constant flow and eventually it should settle down to a steady answer.

3. You can add a weir using the SA/2D Area connection option.

2 & 4. You need Terrain data and you need Ras Mapper to setup the terrain and look at output.

[Sumaiya]

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References:
<[email protected]>
From: sumaiya nishat
Date: Fri, 21 Oct 2016 19:03:21 +0600
Message-ID:
Subject: Re: HECRAS 2D
To: “Jarvus [via HEC-RAS Help]”
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Thank you for your quick reply. I am doing my project as per your
instructions.

Regards,
Sumaiya

On Fri, Oct 21, 2016 at 3:46 AM, Jarvus [via HEC-RAS Help] < [email protected]> wrote:

> 1. RAS 2D does not have steady flow. You could do an unsteady run with =
a
> constant flow and eventually it should settle down to a steady answer.
>
> 3. You can add a weir using the SA/2D Area connection option.
>
> 2 & 4. You need Terrain data and you need Ras Mapper to setup the terrai=
n
> and look at output.
>
> ——————————
> If you reply to this email, your message will be added to the discussion
> below:
> http://hec-ras-help.1091112.n5.nabble.com/HECRAS-2D-tp3162p3163.html
> To start a new topic under HEC-RAS Help, email ml-node+s1091112n1h72@n5.
> nabble.com
> To unsubscribe from HEC-RAS Help, click here
> <http://hec-ras-help.1091112.n5.nabble.com/template/NamlServlet.jtp?macro=
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Thank you for your quick reply. I am doing my project as p=
er your instructions.=C2=A0

Regards,

Sumaiya=
=C2=A0

On Fri, Oct 21, 2016 at 3:46 AM, Jarvus [via HEC-RAS Help] <[email protected]> wrote:

1.=C2=A0 RAS 2D does not have steady flow.=C2=A0 You could do an unsteady =
run with a constant flow and eventually it should settle down to a steady a=
nswer.

3.=C2=A0 You can add a weir using the SA/2D Area connection option.

2 & 4.=C2=A0 You need Terrain data and you need Ras Mapper to s=
etup the terrain and look at output.

=09
=09
=09

---

If you reply to this email, your message =
will be added to the discussion below:

http://hec-ras-help.1091112.n5.nabble.com/HE=
CRAS-2D-tp3162p3163.html

To start a new topic under HEC-RAS Help, email ml-node+s1091112n1h72@n5.<= wbr>nabble.com
To unsubscribe from HEC-RAS Help, click here.
NAML

–94eb2c1142d6b4f7b4053f5faae8–

[Sumaiya]

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In-Reply-To:
References:
<[email protected]>
From: sumaiya nishat
Date: Sat, 22 Oct 2016 04:06:05 +0600
Message-ID:
Subject: Re: HECRAS 2D
To: “Jarvus [via HEC-RAS Help]”
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–001a11405782add6c1053f673f2c
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Hi Jarvus,

Again i am thanking you for helping me out. But I am facing further
problems.

1. How can i make my projection file in BTM Geographic Co-ordinate System?
Is there any tutorial or manual?
2. How I can export my TIN as tif formet?

i am waiting for your reply.

Regards,
Sumaiya

On Fri, Oct 21, 2016 at 7:03 PM, sumaiya nishat wrote:

> Thank you for your quick reply. I am doing my project as per your
> instructions.
>
> Regards,
> Sumaiya
>
> On Fri, Oct 21, 2016 at 3:46 AM, Jarvus [via HEC-RAS Help] < > [email protected]> wrote:
>
>> 1. RAS 2D does not have steady flow. You could do an unsteady run with
>> a constant flow and eventually it should settle down to a steady answer.
>>
>> 3. You can add a weir using the SA/2D Area connection option.
>>
>> 2 & 4. You need Terrain data and you need Ras Mapper to setup the
>> terrain and look at output.
>>
>> ——————————
>> If you reply to this email, your message will be added to the discussion
>> below:
>> http://hec-ras-help.1091112.n5.nabble.com/HECRAS-2D-tp3162p3163.html
>> To start a new topic under HEC-RAS Help, email
>> [email protected]
>> To unsubscribe from HEC-RAS Help, click here
>> <http://hec-ras-help.1091112.n5.nabble.com/template/NamlServlet.jtp?macr=
o=3Dunsubscribe_by_code&node=3D1&code=3Dc3VtYWl5YW5pc2hhdDIwMTNAZ21haWwuY29=
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>> .
>> NAML
>> <http://hec-ras-help.1091112.n5.nabble.com/template/NamlServlet.jtp?macr=
o=3Dmacro_viewer&id=3Dinstant_html%21nabble%3Aemail.naml&base=3Dnabble.naml=
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>>
>
>

–001a11405782add6c1053f673f2c
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Hi Jarvus,

Again i a=
m thanking you for helping me out. But I am facing further problems.=C2=A0<= /div>

1. How can i make my projection file in BTM Geographic Co-ordinate Syst=
em? Is there any tutorial or manual?

2=
. How I can export my TIN as tif formet?

i am waiting for your reply.

Regards,

Sumaiya

On Fri, Oct 21, 2016 at =
7:03 PM, sumaiya nishat <[email protected]> wrote:

border-left:1px #ccc solid;padding-left:1ex">

Thank you for=
your quick reply. I am doing my project as per your instructions.=C2=A0

Regards,

Sumaiya=C2=A0

On Fri, Oct 21, 2016 at 3:46 AM, Jarvus [via HEC-RAS Help] <ml-node+s1091112n3163h94@n5.nabble.com> =
wrote:

er-left:1px #ccc solid;padding-left:1ex">

1.=C2=A0 RAS 2D does not have steady flow.=C2=A0 You could do an unsteady =
run with a constant flow and eventually it should settle down to a steady a=
nswer.

3.=C2=A0 You can add a weir using the SA/2D Area connection option.

2 & 4.=C2=A0 You need Terrain data and you need Ras Mapper to s=
etup the terrain and look at output.

=09
=09
=09

---

If you reply to this email, your message =
will be added to the discussion below:

http://hec-ras-help.1091112.n5.nabble.com/HE=
CRAS-2D-tp3162p3163.html

To start a new topic under HEC-RAS Help, email [email protected]=
abble.com
To unsubscribe from HEC-RAS Help, click here.
NAML

–001a11405782add6c1053f673f2c–

[Anonymous]

I am not an expert on terrain issues. There may be other posters on this site that can provide better answers.

To set the projection:
From Ras Mapper, select Tools and select Set Projection for Project…

You may want to look at the User’s manual for HEC-RAS 2D flow.

[cameron]

If you have a TIN in GIS, you need to convert it to a raster using one of the tools in ArcMap or similar. If you have a TIN in Microstation format, I generally convert it to a landxml file, import it into GIS as a TIN, and convert to a raster.

[Author]

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