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Hello everyone, is it possible to run modal analysis with interactions turned on in the model? I would like to determine the frequency of the system that actually has interactions between its parts? I tried with procedure type Linear perturbation (Frequency). Thank you in advance

Hello everyone, I am trying to model the masonry infill by simplified micro modelling approach. I defined one model in which the interaction between the bricks and between bricks and frame is defined by assigning additional contact properties (cohesive behavior and damage) to the interaction...

Hello everyone, I am working on the simulation of the behaviour of masonry infill under out-of-plane loading. You can see on the photo attached how the load is assigned (direction of the out-of-plane load). I assigned the uniform load (total force) to the wall. What is the best way to have the...

Hello everyone, Is there any way to calculate eigenvalues of the system in Abaqus? Materials are defined as non-linear, including damage plasticity. Thanks in advance.

Hello everyone, My abaqus files are closed and I am out of the software with the error written in the window. The photo with error is attached to the post. This happens when I want to see the results of the calculation (odb file). In this case the calculations are not completed and the job...

Hello everyone, error "The elements contained in element set ErrElemExcessDistortion-step3 have distrorted excesivelly" occured. Attached are the photos of distorted elements. The elements are really being subjected to high values of deformation and their material definition is Hyperfoam, but...

Hi everyone, I am modelling a RC frame as one part. It is consisted of two columns, beam and a base beam. Base beam's bottom surface has fixed boundary conditions. How can I measure the total force acting on the frame? I tried to apply kinematic coupling (coupled RP and bottom surface of the...

Hi everyone, I am trying to apply displacement to a steel plate which is then supposed to push RC frame. Steel plate is defined as a shell element, while RC frame is consisted of C3D8R solid elements. The interaction between shell plate and frame is defined as tangential behaviour -friction...

Hi everyone, I am trying to analyze the behavior of composite steel-concrete joint subjected to cyclic loading. This error occurred and aborted the analysis: The ratio of deformation speed to wave speed exceeds 1.000 in at least one element. This usually indicates an error with the model...

Hi everyone, I want to apply the load as a function of time. The duration of load is 11.84 s. When I define amplitude, should I enter the values for time column from 0-12 for instance, and then define Time period of step in step card as 12? Or is it possible to leave the time period in step...

Hi everyone, Abaqus exited with this error: 8 nodes on an embedded element do not lie in any host element. Check coordinates, exterior tolerance and absolute exterior tolerance parameters, and the host element definition. The nodes have been identified in node set ErrNodeEmbeddedNode. 2378...

Hi everyone, which value of mass density should I adopt for steel material? Everything in my model is defined in mm and N. I assume that mass density should be in N/mm3 because everything is defined in N and mm, so I calculated the value for mass density of 76.982e-6 N/mm3. Is there a...

Hi everyone, I am trying to model a composite (steel-concrete) beam-to-column joint and to analyze its behaviour under concentrated moment. I applied a moment at the end of the beam section, to act in the center of inertia of composite section. The center of inertia is defined as a reference...

Hi everyone, I ran the analysis and when the job was completed, I tried to look for the results, but the following error occured: There is no valid step data available on the database. If the analysis is running, the database must be closed and reopened once the results have been initialized...

Hi everyone, how could I check surface definitions - make sure that all surface normals point outwards? I made a model and an error occurs: 18 improperly defined surface(s). Please check your suface definitions. Make sure that all surface normals point outward.

Hi everyone , I am very new to Abaqus and I am trying to model a steel-concrete beam-to-column composite joint. Do you have any useful tutorials to recommend? At first, I would like to find out how to model bolts and their connection/interaction with beam,plate and column. Also, I am not sure...

Hi everyone, I use Response Spectrum function from Eurocode in SAP2000 for my project. Should I use scale factor 9,81 when defining the response spectrum load, because response spectrum curve is defined as a fraction of graviotanal acceleration? Also,if I import time history function from...

Hi everyone, I am modeling a 3D steel building with composite slabs. I have a few questions about modeling this composite slab as a diaphragm. I used shell-thick elements, and assigned concrete as a material, bending and membrane thickness equal to 140mm. Should I change any stiffness...

Hi everyone, I am trying to model composite floor in SAP2000. What is the best way to do that? Which area section should I assign? And what about Modulus of Elasticity? The thing I am the most concerned about is its behaviour due to horizontal loads. Please write some notes and tips if you...

Hi everyone, I am trying to calibrate my experimental curve using SAP2000. The experiment was worked on a concrete single-bay single-story bare frame. I designed cross sections using Section Designer, and then I chose FIber P-M2-M3 Hinges, because there is an axial force in columns. The problem...