Groups

mastodon-users

Contact owners and managers

1–30 of 63

Welcome to the mastodon-users google group. This is a community of users and developers discussing various ideas, suggestions, and issues around MASTODON.

MASTODON website: https://mooseframework.org/mastodon

Facility Risk Group, INL website: https://earthquake.inl.gov

MASTODON is an opensource software licensed under LGPL v2.1. The source code is hosted on GitHub here, and everyone is welcome to develop new capabilities and contribute to this project.

0 selected

HRISHIV NEUPANE, … Chandu Bolisetti8

12/24/20

Using Linear Spring and Isolator together

Hi Chandu, Let me elaborate on that. Suppose I have two blocks and If I declare in the header file

unread,

Using Linear Spring and Isolator together

Hi Chandu, Let me elaborate on that. Suppose I have two blocks and If I declare in the header file

chan...@gmail.com

12/24/20

Osama Mahmoud, Chandrakanth Bolisetti2

12/23/20

Negative Jacobian Error

Hi Osama, I ran this with the contact block commented out and it runs fine, so it is probably

unread,

Negative Jacobian Error

Hi Osama, I ran this with the contact block commented out and it runs fine, so it is probably

12/23/20

Samyog, … Chandrakanth Bolisetti3

12/23/20

Stochastic tools in MASTODON

Hi Samyog, Looks like your moose/mastodon is not up to date. Please update moose and mastodon using

unread,

Stochastic tools in MASTODON

Hi Samyog, Looks like your moose/mastodon is not up to date. Please update moose and mastodon using

12/23/20

Osama Mahmoud, Christopher Wong2

11/29/20

get coordinates in constitutive model

In one of the "qp" functions in your material class, you'll be looping over the

unread,

get coordinates in constitutive model

In one of the "qp" functions in your material class, you'll be looping over the

11/29/20

Christopher Wong, … Chandu Bolisetti4

10/6/20

Higher-Order Timoshenko Beam Element

Thanks guys. Looks like this is a novel problem that I will just have to find a new technique on my

unread,

Higher-Order Timoshenko Beam Element

Thanks guys. Looks like this is a novel problem that I will just have to find a new technique on my

10/6/20

Osama Abdelaleim, Christopher Wong2

9/30/20

Contact Pressure on Primary surface

Don't use postprocessors for this. Set up all of the auxiliary variables and kernels, and their

unread,

Contact Pressure on Primary surface

Don't use postprocessors for this. Set up all of the auxiliary variables and kernels, and their

9/30/20

Osama Mahmoud, … Chandrakanth Bolisetti7

9/17/20

Strain & Stress Postprocessing for unstructured mesh

Hi Osama, My apologies – I thought the displacements weren't matching either. Stresses and

unread,

Strain & Stress Postprocessing for unstructured mesh

Hi Osama, My apologies – I thought the displacements weren't matching either. Stresses and

9/17/20

Samyog, Sai Sharath Parsi3

8/17/20

Some questions regarding FP isolator material

Hi Sharath, 1. Looking at Eq 4-4 in the report, F = S / cos (theta) + W / sqrt (R^2 - u^2) * u. From

unread,

Some questions regarding FP isolator material

Hi Sharath, 1. Looking at Eq 4-4 in the report, F = S / cos (theta) + W / sqrt (R^2 - u^2) * u. From

8/17/20

Samyog, Swetha Veeraraghavan8

8/17/20

Static step when using HHT integration

Hello Dr. Swetha, When I ran the test with zeta = 0 and alpha = -0.3, and all tolerances 1e-12, there

unread,

Static step when using HHT integration

Hello Dr. Swetha, When I ran the test with zeta = 0 and alpha = -0.3, and all tolerances 1e-12, there

8/17/20

Samyog, Sai Sharath Parsi2

8/14/20

Required parameters for ComputeLRIsolatorElasticity

Hello Samyog, Thanks much for pointing these out. Yes, i) alpha is the ratio of post-yield shear

unread,

Required parameters for ComputeLRIsolatorElasticity

Hello Samyog, Thanks much for pointing these out. Yes, i) alpha is the ratio of post-yield shear

8/14/20

Mriganabh, … KT Kim5

8/10/20

Equal Value Boundary Constraint

Thank you, KT. It seems to be working now. Best, Mriganabh On Monday, August 10, 2020 at 3:27:45 PM

unread,

Equal Value Boundary Constraint

Thank you, KT. It seems to be working now. Best, Mriganabh On Monday, August 10, 2020 at 3:27:45 PM

8/10/20

Mriganabh, … Chandrakanth Bolisetti25

7/10/20

Explicit Time Integration in MASTODON

Mriganabh, Good to know that #1 and #2 match well. We need to look into #3 in more detail. But yes,

unread,

Explicit Time Integration in MASTODON

Mriganabh, Good to know that #1 and #2 match well. We need to look into #3 in more detail. But yes,

7/10/20

Chandrakanth Bolisetti, … Chandu Bolisetti3

7/8/20

Re: [EXTERNAL] [mastodon-users] HEX20 elements with Contact Block

Hi Mriganabh, That's great. Good to know. Chandu On Wednesday, July 8, 2020 at 9:00:37 AM UTC-6,

unread,

Re: [EXTERNAL] [mastodon-users] HEX20 elements with Contact Block

Hi Mriganabh, That's great. Good to know. Chandu On Wednesday, July 8, 2020 at 9:00:37 AM UTC-6,

7/8/20

Mriganabh, Chandrakanth Bolisetti3

7/6/20

Contact with Explicit Time Integration

Hi Chandu, Thanks for the clarification. Also, I would like to remind you that I am interested in

unread,

Contact with Explicit Time Integration

Hi Chandu, Thanks for the clarification. Also, I would like to remind you that I am interested in

7/6/20

Bhagya Sree Nallagatla, Chandrakanth Bolisetti3

6/30/20

Friction Pendulum isolator element (ComputeFPIsolatorElasticity )

Hi Chandu Bolisetti, Thank you for clarifying my doubts, I was wondering about inputting the

unread,

Friction Pendulum isolator element (ComputeFPIsolatorElasticity )

Hi Chandu Bolisetti, Thank you for clarifying my doubts, I was wondering about inputting the

6/30/20

Samyog, … Chandu Bolisetti9

6/22/20

Post buckling behavior in Lead-rubber isolator

Sure. Thank you Samyog On Monday, June 22, 2020 at 12:23:51 PM UTC-4, Chandu Bolisetti wrote: Samyog,

unread,

Post buckling behavior in Lead-rubber isolator

Sure. Thank you Samyog On Monday, June 22, 2020 at 12:23:51 PM UTC-4, Chandu Bolisetti wrote: Samyog,

6/22/20

Mriganabh, … Christopher Wong17

6/17/20

Using HEX20 elements in conjunction with BEAM3 elements

I appreciate them too, Mriganabh. Good luck!

unread,

Using HEX20 elements in conjunction with BEAM3 elements

I appreciate them too, Mriganabh. Good luck!

6/17/20

Mriganabh, … Christopher Wong6

6/4/20

Simulation not converging even when residual is less than tolerance

Hi Chris and Swetha, Swetha: Chris is right. I have merged the nodes wherever necessary. Chris: I

unread,

Simulation not converging even when residual is less than tolerance

Hi Chris and Swetha, Swetha: Chris is right. I have merged the nodes wherever necessary. Chris: I

chan...@gmail.com

6/4/20

HRISHIV NEUPANE, … Swetha Veeraraghavan12

5/30/20

Precision error while calculating deformations in the Linear Spring

Hi Hrishiv, Sorry for the delayed response. When you are performing comparisons among two real

unread,

Precision error while calculating deformations in the Linear Spring

Hi Hrishiv, Sorry for the delayed response. When you are performing comparisons among two real

5/30/20

HRISHIV NEUPANE, … Chandrakanth Bolisetti3

5/28/20

Here's Swetha's branch. She created some tests in there that you can use to start with. It

unread,

Here's Swetha's branch. She created some tests in there that you can use to start with. It

5/28/20

Samyog, Christopher Wong2

5/25/20

Order of quadrature for HEX20 elements

Yes, there is little documentation on this feature. I know of one thread on the MOOSE-users group

unread,

Order of quadrature for HEX20 elements

Yes, there is little documentation on this feature. I know of one thread on the MOOSE-users group

5/25/20

Samyog, … Chandu Bolisetti16

5/19/20

Example 5a not running

This has been addressed in the more recent thread https://groups.google.com/forum/#!topic/mastodon-

unread,

Example 5a not running

This has been addressed in the more recent thread https://groups.google.com/forum/#!topic/mastodon-

5/19/20

Samyog, … Chandu Bolisetti22

5/19/20

Example 5a (Beam elements and Solid elements together) not running

Here's the PR. It should be merged today and Ex05 should work fine once you update mastodon

unread,

Example 5a (Beam elements and Solid elements together) not running

Here's the PR. It should be merged today and Ex05 should work fine once you update mastodon

slaug...@gmail.com

5/19/20

Samyog, Chandu Bolisetti4

5/19/20

Sure, I updated the theory manual to remove that claim. Thanks for asking though. On Tuesday, May 19,

unread,

Sure, I updated the theory manual to remove that claim. Thanks for asking though. On Tuesday, May 19,

5/19/20

Mriganabh, Chandrakanth Bolisetti3

4/25/20

Mastodon version

Thank you, Chandu

unread,

Mastodon version

Thank you, Chandu

4/25/20

HRISHIV NEUPANE, Chandrakanth Bolisetti2

3/17/20

Dynamic analysis using linear spring

I don't see why not. What do you mean by coupling velocities and accelerations to the spring?

unread,

Dynamic analysis using linear spring

I don't see why not. What do you mean by coupling velocities and accelerations to the spring?

3/17/20

HRISHIV NEUPANE, Som Dhulipala3

3/15/20

Linear Spring Test

Thanks, Som for pointing out my silly mistake. I did not realize until now that it was using Point

unread,

Linear Spring Test

Thanks, Som for pointing out my silly mistake. I did not realize until now that it was using Point

3/15/20

Mriganabh, Chandrakanth Bolisetti3

2/17/20

Example 3 with LinearSoilMaterial

Thank you, Chandu. The simulation runs when I use ComputeIsotropicElasticityTensorSoil. The Material

unread,

Example 3 with LinearSoilMaterial

Thank you, Chandu. The simulation runs when I use ComputeIsotropicElasticityTensorSoil. The Material

2/17/20

Bhagya Sree Nallagatla, … Chandu Bolisetti6

2/11/20

MASTODON installation problem in CENTOS 6

Hi Chandu Bolisetti, I installed in one of the lab PC, I didn't face any errors while installing

unread,

MASTODON installation problem in CENTOS 6

Hi Chandu Bolisetti, I installed in one of the lab PC, I didn't face any errors while installing

2/11/20

Samyog, … KT Kim7

2/7/20

Static initialization

Samyog, Regarding the dynamic simulation that I mentioned in the previous post, please see the

unread,

Static initialization

Samyog, Regarding the dynamic simulation that I mentioned in the previous post, please see the

2/7/20

Search

Clear search

Close search

Google apps

Main menu