Usman Mahmood

11 Questions 12 Answers 0 Followers

Questions related from Usman Mahmood

Frictional Losses in a Radial Flow?

I have a non-newtonian fluid flowing radially-outwards on a horizontal flat plate. The flow is assumed to be laminar. How can I calculate frictional losses between solid-liquid interface?

24 May 2018 4,495 3 View

Height of 3D Dome at location other than the centre (MATLAB)?

Hello, I have generated this 3D dome surface using MATLAB using the SURF command. I need to find the height (Z) of the dome at parts other than center (Like for example at (X=-2000, Y=-2000,...

21 May 2018 5,022 3 View

How can I effectively find diameters of the circle in each frame using DIP in MATLAB?

Hello, Good Day! Please refer to the GIF image below. I am trying to measure the increasing diameter of the circle here. I have to do it using MATLAB/ SIMULINK. The red stripes can be classified...

15 April 2018 3,008 4 View

Can Abaqus Model a flowing cement paste? i.e, a non-newtonian fluid?

I need to simulate a flow test experiment in ABAQUS, I am new to CFD. Can Abaqus do that? Please check the link below for a better idea https://www.youtube.com/watch?v=QfLRm3JB6PM

12 March 2018 7,527 1 View

Need help with mechanics problem (Principle Stresses)?

Hi! I am having difficulty solving this problem (see the attachment).I have the following issues: 1. For the application of principle stress formulas, the normal stresses are uniform where as in...

07 March 2016 2,696 4 View

Anyone familiar with this error: The plasticity/creep/connector friction algorithm did not converge at X points?

When I introduce the material properties, this error appears. Please suggest ways I could remove it, I am using a concrete smeared cracking model using riks analysis.

25 April 2015 6,217 10 View

Can you help me with Issues while Modelling Concrete Beam in ABAQUS?

Dear All, I am modeling a Reinforced Concrete Beam using a smeared cracking model in ABAQUS, and simulating a four point bend test(2 point loading), and currently my model is too stiff compared to...

08 April 2015 5,563 3 View

I am modelling reinforced concrete beam in ABAQUS, Where can I possibly get the values of concrete orthotropy?

Dear All, I am modelling reinforced concrete beam in ABAQUS, Where can I possibly get the values of concrete orthotropy? i.,e k1111 .etc shown in the figure below

04 April 2015 3,161 8 View

Which Damage Initiation Criteria should I use in ABAQUS?

I am unsure of which criteria is best suited to Reinforced Concrete in ABAQUS. I am using a concrete smeared cracking approach. Has anyone tried modelling cracks in ABAQUS before? Best,

13 March 2015 8,796 5 View

Concrete Smeared Cracking Model on ABAQUS?

I am required to model cracks in ABAQUS, and I am using a smeared cracking model. I have already introduced the model plasticity to my model and have been successful in running the model so far...

11 March 2015 2,644 4 View

How can you model a symmetrical RC beam in ABAQUS?

Hi there, I am modelling an RC beam in Abaqus that is subjected to symmetrical loading. My professor has advised me to consider modelling half of the beam, to save computational time. If I am not...

02 March 2015 7,708 5 View