Nayan
On Monday, November 30, 2015 at 9:13:33 PM UTC+1, Robert Cimrman wrote:
On 11/30/2015 08:54 PM, naya...@gmail.com wrote:
> Robert,
> Thanks a lot for your reply.
> ps0 = [[0.0, 1.0, 0.0], [ 0.0, 1.0, 0.0]] # <- starting points
> ps1 = [[5.0, 1.0, 0.0], [ 0.0, 1.0, 1.0]] # <- ending points
> I know the meaning of it. My question was how to plot the displacement at
> y=1 from x=0 to x=5.
This is done only by (assuming you want x in [0, 5], y = 1, z = 0):
ps0 = [[0.0, 1.0, 0.0]]
ps1 = [[5.0, 1.0, 0.0]]
You do not need the second pair of points.
Does it help?
r.
> Sorry for asking too my questions. I am new to SfePy.
>
> Regards ,
> Nayan
>
> On Monday, November 30, 2015 at 4:21:22 PM UTC+1, Robert Cimrman wrote:
>>
>> On 11/30/2015 03:53 PM, naya...@gmail.com <javascript:> wrote:
>>> Robert,
>>> I changed " stiffness_from_youngpoisson(2, young, poisson)
>>>
>>> by (it's 3D problem)
>>>
>>> stiffness_from_youngpoisson(3, young, poisson) "
>>>
>>> Now it's fixed. (Output is attached, Result).
>>>
>>>
>>> But I tried to plot the displacement, strain and stress only u1 and u2
>> are
>>> on the plot, as per my understanding u1 and u2 are displacements in x
>> and y
>>> directions. How do I plot u3 ( displacement in the z direction). I
>> referred
>>
>> on line 43 of Cuboid_graph.py, change
>>
>> for ic in range(vals.shape[1] - 1):
>>
>> to
>>
>> for ic in range(vals.shape[1]):
>>
>>> its2D_interactive and made changes according to my problem definition.
>> Also
>>> at the top surface I want to plot the displacement from x=0 to x=5 but
>> in
>>> the plot it is showing only from x=0 to x=1.
>>
>> The lines
>>
>> ps0 = [[0.0, 1.0, 0.0], [ 0.0, 1.0, 0.0]] # <- starting points
>> ps1 = [[5.0, 1.0, 0.0], [ 0.0, 1.0, 1.0]] # <- ending points
>>
>> mean, that the first probe goes from [0.0, 1.0, 0.0] to [5.0, 1.0, 0.0],
>> and
>> the second from [ 0.0, 1.0, 0.0] to [ 0.0, 1.0, 1.0] - it corresponds to
>> the
>> xlabels in the images. Try fixing that.
>>
>> r.
>>
>>>
>>> Could you please also help me to fix this aswell?
>>>
>>> Thanks in advance,
>>> Nayan
>>>
>>>
>>> On Monday, November 30, 2015 at 3:00:23 PM UTC+1, Robert Cimrman wrote:
>>>>
>>>> Hi Nayan,
>>>>
>>>> when strange things happen, it is usually worth to check your region
>>>> definitions.
>>>>
>>>> Use:
>>>>
>>>> ./simple.py Cuboid_1.py --save-regions-as-groups
>>>>
>>>> and fix the bottom region:
>>>>
>>>> 'Bottom' : ('vertices in (y<=-0.9999)', 'facet'),
>>>>
>>>> Also, in Cuboid_2.py, replace
>>>>
>>>> stiffness_from_youngpoisson(2, young, poisson)
>>>>
>>>> by (it's 3D problem)
>>>>
>>>> stiffness_from_youngpoisson(3, young, poisson)
>>>>
>>>> Note also, that having the code in the module namespace causes it to be
>>>> called
>>>> also before running the simulation (on input file import).
>>>>
>>>> Let me know if that helps.
>>>>
>>>> r.
>>>>
>>>> On 11/28/2015 09:07 PM, naya...@gmail.com <javascript:> wrote:
>>>>> Hi Robert,
>>>>> I calculated displacement, strain and stress for the block under
>> area
>>>>> loading. I am not convinced with the answer. Displacement and strain
>> are
>>>>> maximum at the corners, but stress is maximum in the middle. I think
>>>>> my problem description file is completely messed up.Is it?
>>>>>
>>>>> Also when I try plot displacement, strain and stress components, one
>> of
>>>> the
>>>>> components is missing in the graph.
>>>>>
>>>>> It would be a great help if you could help me. I have attached all
>> the
>>>>> files.
>>>>>
>>>>> Regards,
>>>>> Nayan
>>>>>
>>>>> On Friday, November 27, 2015 at 4:55:00 PM UTC+1, Robert Cimrman
>> wrote:
>>>>>>
>>>>>> On 11/27/2015 03:30 PM, naya...@gmail.com <javascript:> wrote:
>>>>>>> I am using the regular package now and I got the output. I am
>> confused
>>>>>> with
>>>>>>> the units. What's the unit of stress here? Is it N/M2?
>>>>>>
>>>>>> SfePy always uses a consistent unit set, so it is up to you to
>>>> interpret
>>>>>> the
>>>>>> units. See also [1].
>>>>>>
>>>>>> r.
>>>>>>
>>>>>> [1]
>> http://www.continuummechanics.org/cm/techforms/SystemsOfUnits.html
>>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>>
>