Abaqus Concrete Structure Modeling | Practical Examples (Part 2)

Original price was: € 299.0.Current price is: € 250.0.

The package includes 5 workshops on topics such as concrete, beam-column structures, steel rebars, Ultra-High-Performance-Fiber-Reinforcement Concrete columns, CFRP bars, hollow-core square reinforced concrete columns wrapped, damaged concrete beams, and etc. Every workshop includes all needed files and step-by-step English videos and is explained from A to Z. For a more comprehensive lesson and theoretical presentation on the behavior and simulation of concrete structures, check out our full package on concrete structures, which includes detailed learning lessons. However, we have gathered all 20 workshops, along with several additional lessons in video format to help you gain more expertise on the topic, in the introduced package, which you can acquire for just 600 euros.

Included	.inps,video files, Fortran files (if available), Flowchart file (if available), Python files (if available), Pdf files (if available)
Tutorial video duration	+120 minutes
language	English
Level	Intermediate
Package Type	Only Workshop
Software version	Applicable to all versions

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This Product: Abaqus Concrete Structure Modeling | Practical Examples (Part 2) - Original price was: € 299.0.Current price is: € 250.0.
UHPFRC (Ultra-High-Performance Fiber Reinforced Concrete) structures in Abaqus - € 210.0
Ultra-High Performance Concrete (UHPC) beams simulation in Abaqus - € 109.0
UHPC (Ultra-High Performance Concrete) structures simulation in Abaqus - € 170.0

Description

Abaqus Concrete structure Modeling | Practical Examples (Part 2)

If you are a researcher, student, university professor, or Engineer in the company in the field of civil engineering, Abaqus concrete structure modeling package in simulating concrete and structural Engineering is the best selection.
The package includes 5 workshops on topics such as concrete, beam-column structures, composites, steel rebars, Ultra-High-Performance-Fiber-Reinforcement Concrete columns, CFRP bars, hollow-core square reinforced concrete columns wrapped, damaged concrete beams, High Strength Concrete(HSC),ECC/Concrete Composite Beam-Column Joints, circular concrete-encased concrete-filled steel tube (CFST) stub columns, and etc.

You can see the syllabus and details of this project below or the drop-down menu on the right side of this product page.

It will guide you going from the basics up to complex simulation techniques. It is very fluid, and comprehensive and every single detail is explained.

Every workshop goes straight to the point, without any worthless piece of content. You will learn what you need at every stage and you will be putting it into practice from the very first day.

Most importantly, we support you as you learn in this course. You can contact our experts to ask your questions and enjoy our modelling and simulations step-by-step support.

Workshop-1: Damaged concrete beam with initial residual stress reinforced CFRP sheet in bending loading

This workshop examines the simulation of a damaged concrete beam with initial residual stress, reinforced with a CFRP sheet under bending load in Abaqus. The concrete beam is modeled as a three-dimensional solid part, while the CFRP sheet is represented as a three-dimensional shell part. The analysis consists of two sequential simulations:

First Simulation: A four-point bending test is performed on the concrete beam to generate stress distribution and damage patterns. These results are then extracted and used as initial conditions for the second simulation.
Second Simulation: The CFRP sheet is applied to the damaged areas of the beam, and the residual stress and damage from the first simulation are imported into the new analysis.

In the first simulation, a general static step with modified convergence settings is used. To ensure that data from this analysis is available for the second simulation, the output results must be saved as an output file. The bending load is applied at two zones of the beam, while boundary conditions are assigned at the beam’s ends. Once the simulation is complete, results such as stress, strain, tensile and compressive damage are obtained.

In the second simulation, the CFRP sheet is introduced to reinforce the damaged zones from the previous analysis. The residual stress and damage state from the first simulation are used as the initial condition for the beam. The CFRP reinforcement is expected to enhance the beam’s performance, allowing it to withstand the same or increased load more effectively.

After completing both simulations, results from each phase—including stress distribution, strain, damage evolution, and structural performance—can be analyzed and compared.

Workshop-2: Damage analysis of concrete beam-column joints simulation in cyclic loading

This workshop explores the simulation of concrete beam-column joints under cyclic loading with damage analysis in Abaqus. The beam-column joint is modeled as a three-dimensional solid part, while the steel strips and bars are represented as three-dimensional wire parts.

The steel reinforcement follows an elastic-plastic material model, while the Concrete Damaged Plasticity (CDP) model is applied to account for tensile damage in concrete during cyclic loading. This continuum, plasticity-based damage model considers two primary failure mechanisms: tensile cracking and compressive crushing. The uniaxial tensile and compressive behavior of concrete is defined within this framework, allowing for accurate damage representation. The primary objective of this simulation is to evaluate the concrete damage parameter under cyclic loading.

For this analysis, a general static step is selected. The embedded constraint is used to ensure proper interaction between the steel strips and bars within the concrete host. Fixed boundary conditions are applied at both ends of the column, while displacement-controlled loading with an amplitude function is applied at the beam ends following a cyclic loading protocol. A fine mesh is required to achieve accurate results.

Upon completion of the simulation, key results such as tensile damage, compressive damage, stress, and strain distribution are obtained.

Workshop-3: FEM analysis of Elliptical ultra-high-performance concrete-filled steel tabular column under a compression loading

This workshop explores the simulation of an elliptical ultra-high-performance concrete-filled steel tubular (CFST) column under compression loading in Abaqus. Elliptical CFST columns have gained significant attention due to their enhanced strength and stiffness compared to empty elliptical hollow sections. The UHPC core is modeled as a three-dimensional solid part, while the steel tube is represented as a three-dimensional shell.

CFST columns are widely used in buildings, bridges, transmission towers, and offshore structures because of their high strength, stiffness, ductility, and energy absorption capacity. These composite columns consist of circular or rectangular steel tubes filled with concrete, and the elliptical CFST column is a more recent variation where concrete is filled into an elliptical steel tube.

To model the UHPC core, the Concrete Damaged Plasticity (CDP) model is used, with material properties obtained from reference studies. The steel tube follows an elastic-plastic material model, incorporating a ductile damage criterion. The simulation is performed using a general static step with modifications to improve convergence.

A perfect or ideal contact is assumed between the steel tube and the concrete core, and general contact with frictional properties is applied to all interacting components. The bottom rigid body is fixed, while displacement with an amplitude function is applied to the top rigid body to simulate compression. A fine mesh is essential for achieving accurate results.

After completing the analysis, results such as stress, strain, damage progression, and the force-displacement diagram are available.

Users ask these questions

Concrete! So many things about it and lots of tips regarding its simulation in Abaqus. So, there is no surprise users ask questions about it. We have decided to answer a few of them, which you can see them below.

I. Determination the time and location of the first crack

Q: For my project, I’m using ABAQUS to model an L-shaped shear wall. On the top surface of my specimen, I applied a cyclic loading. “Base shear vs drift data” has been extracted (and obtained a backbone envelope curve from the hysteresis). Aside from this load-deflection curve, I’d like to know when and where the first cracks and crushing of concrete occur. And the same for the yielding of rebars. Is there anyone who can assist me with this?

A: Hello,

First, you need to know what your damage initiation criterion is? After completing your job, select the damage initiation criterion from the Field Output dialog box. Check the frames and legend. Find out when the first point value is greater than one. You can read the time from the step time. To find the point location, select the Contour from the options menu, then go to the Limits tab, and toggle on the Show location to observe the location of the point. Refer to this link to get practical examples of modeling concrete: “https://caeassistant.com/product/abaqus-concrete-structure-modeling-full-tutorial/“

Workshop-1: Damaged concrete beam with initial residual stress reinforced CFRP sheet in bending loading

Introduction and problem description
Description of modeling steps
Result and discussion

Workshop-2: Damage analysis of concrete beam-column joints simulation in cyclic loading

Introduction and problem description
Description of modeling steps
Result and discussion

Workshop-3: FEM analysis of Elliptical ultra-high-performance concrete-filled steel tabular column under a compression loading

Introduction and problem description
Description of modeling steps
Result and discussion

Workshop-4: Three points bending of High Strength Concrete(HSC) beam Simulation

Introduction and problem description
Description of modeling steps
Result and discussion

Workshop-5: Flexural behavior of reinforced concrete beams strengthened with ultra-high performance concrete Analysis in Abaqus

Introduction and problem description
Description of modeling steps
Result and discussion

Workshop-4: Three points bending of High Strength Concrete(HSC) beam Simulation

This workshop explores the simulation of a three-point bending test on a High Strength Concrete (HSC) beam in Abaqus. The key distinction between high-strength concrete and normal-strength concrete lies in their compressive strength, which measures the concrete’s ability to withstand applied pressure. While there is no clear threshold between the two, high-strength concrete is manufactured by optimizing the materials that make up normal-strength concrete. Producers adjust factors such as cement quality, aggregate selection, and the proportions of cement, water, aggregates, and admixtures to achieve the desired strength. The HSC beam is modeled as a three-dimensional solid part, and the steel reinforcement is modeled as a three-dimensional wire part.

The nonlinear behavior of concrete is modeled using the built-in Concrete Damage Plasticity (CDP) model in Abaqus. Four key input parameters are required to fully define the yield surface and flow rule in the three-dimensional stress space: dilation angle (ψ), plastic flow potential eccentricity (є), the ratio of biaxial strength to uniaxial strength (σbo/σco), and the shape factor (Kc), which defines the yield surface in the deviatoric plane. CDP data for HSC is extracted from reference literature. The steel bars are modeled with elastic-plastic behavior. A general static step with adjustments to the convergence model is used.

Surface-to-surface interaction with a friction coefficient is applied between the HSC beam and the rigid bodies. The bars are embedded within the HSC beam, and fixed boundary conditions are applied at the bottom of the beam. A displacement with amplitude is applied to the top rigid body. A fine mesh is necessary to achieve accurate results.

After running the simulation, results such as stress, strain, tensile damage, and the force-displacement diagram are available.

Workshop-5: Flexural behavior of reinforced concrete beams strengthened with ultra-high performance concrete Analysis in Abaqus

In this workshop, the simulation of the flexural behavior of reinforced concrete beams strengthened with ultra-high-performance concrete (UHPC) in Abaqus has been conducted. Strengthening concrete structures is crucial not only for deteriorating structures but also for enhancing the performance of new concrete members under service conditions. This process is particularly important for critical infrastructures like power stations, nuclear plants, and marine structures, where demolition is often economically and technically unfeasible unless strengthening techniques fail to meet performance requirements. Ultra-high-performance concrete (UHPFRC) has emerged as a modern material used for repairing and strengthening reinforced concrete (RC) structures. The concrete beam and UHPC cover are modeled as three-dimensional solid parts, while the bars and strips are modeled as three-dimensional wire parts.

The Concrete Damaged Plasticity (CDP) model is used for simulating the behavior of the concrete beam. This is a continuum, plasticity-based damage model that accounts for tensile cracking and compressive crushing as the primary failure mechanisms of concrete. The steel material for the strips and bars is modeled using elastic-plastic behavior, while the UHPC cover uses the CDP plasticity model, with material data taken from reference studies. The simulation uses a general static step, with modifications to the convergence model.

Surface-to-surface contact with friction is applied between the concrete beam and the rigid bodies. The bars and strips are embedded within the concrete matrix. Fixed boundary conditions are applied at the bottom of the beam, with displacement applied to the top rigid body using a smooth amplitude. A fine mesh is recommended to achieve accurate results.

After the simulation, results such as stress, strain, tensile and compression damage, and displacement are available.

What are the exact contents of each video in this package?

It should be noted that this package includes only workshops; there is no lesson at the beginning of each workshop, contrary to our other main training packages.

This project contains more than 120 minutes of video tutorials. Click on the chapters of each workshop in the right section of this tab to know the details of the tips and issues presented.

It would be useful to see Abaqus Documentation to understand how it would be hard to start an Abaqus simulation without any Abaqus tutorial.

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