Solving Complex Problems for Structures and Bridges using ABAQUS Finite Element Package

323 Pages·2021·11.737 MB·English

by  Farzad Hejazi, Hojjat Mohammadi Esfahani

SOLVING COMPLEX
PROBLEMS FOR
STRUCTURES AND
BRIDGES USING
ABAQUS FINITE
ELEMENT PACKAGE

SOLVING COMPLEX
PROBLEMS FOR
STRUCTURES AND
BRIDGES USING
ABAQUS FINITE
ELEMENT PACKAGE
Farzad Hejazi and
Hojjat Mohammadi Esfahani
First edition published 2022
by CRC Press
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and by CRC Press
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© 2022 Farzad Hejazi and Hojjat Mohammadi Esfahani
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Library of Congress Cataloging-in-Publication Data
Names: Hejazi, Farzad, author. | Esfahani, Hojjat Mohammadi, author.Title: Solving
complex problems for structures and bridges using ABAQUS finite element package /
Farzad Hejazi, Hojjat Mohammadi Esfahani.
Description: First edition. | Boca Raton, FL : CRC Press, 2022. | Includes index.
Identifiers: LCCN 2021025807 (print) | LCCN 2021025808 (ebook) | ISBN
9781032100395 (hbk) | ISBN 9781032100401 (pbk) | ISBN 9781003213369 (ebk)
Subjects: LCSH: Structural engineering--Mathematics. | Bridges--Design and
construction--Mathematics. | Finite element method--Data processing. | Abaqus
(Electronic resource)
Classification: LCC TA647 .H45 2022 (print) | LCC TA647 (ebook) | DDC 624.1/71--dc23
LC record available at https://lccn.loc.gov/2021025807
LC ebook record available at https://lccn.loc.gov/2021025808
ISBN: 978-1-032-10039-5 (hbk)
ISBN: 978-1-032-10040-1 (pbk)
ISBN: 978-1-003-21336-9 (ebk)
DOI: 10.1201/9781003213369
Typeset in Times
by MPS Limited, Dehradun
Contents
Preface..................................................................................................................xi
Authors...............................................................................................................xiii
Chapter 1 Introduction about Finite Element Method...................................1
1.1 Introduction..........................................................................1
1.2 Main Process for Finite Element Modeling and
Analysis................................................................................1
1.2.1 Step 1: Idealization.................................................1
1.2.2 Step 2: Discretization.............................................2
1.2.3 Step 3: Element Characteristics.............................3
1.2.4 Step 4: Assembly of Finite Element
Equations................................................................3
1.2.5 Step 5: Apply Boundary Condition.......................3
1.2.6 Step 6: Solving the Finite Element Equations......4
1.2.7 Step 7: Additional Calculations.............................5
1.3 Summary..............................................................................5
Chapter 2 Abaqus Scripting for Mesh Convergence......................................7
2.1 Introduction..........................................................................7
2.2 Problem Description............................................................7
2.3 Objectives.............................................................................7
2.4 Modeling..............................................................................7
2.4.1 Parts Module...........................................................7
2.4.2 Assembly Module.................................................12
2.4.3 Step Module.........................................................12
2.4.4 Boundary Conditions (Load Module)..................13
2.4.5 Load Module........................................................13
2.4.6 Mesh Module........................................................13
2.5 Analysis: Job Module........................................................15
Chapter 3 Analysis of Steel Rectangular Plate with Circular Hole............27
3.1 Introduction........................................................................27
3.2 Problem Description..........................................................27
3.3 Objectives...........................................................................27
3.4 Modeling............................................................................28
3.4.1 Part Module..........................................................28
3.4.2 Property Module...................................................31
3.4.3 Mesh Module........................................................34
v
vi Contents
3.4.4 Assembly Module.................................................37
3.4.5 Step Module.........................................................39
3.4.6 Load/Boundary Condition Module......................40
3.5 Analysis: Job Module........................................................45
3.5.1 Create an Analysis Job: Job-1.............................45
3.5.2 Monitor Solution in Progress...............................47
3.6 Visualization Module.........................................................47
3.6.1 View the Results of the Analysis........................48
3.6.2 Visualization/Results Module..............................49
Chapter 4 Evaluate the Capacity of the Steel Beam-Column Connection
through Pushover Analysis..........................................................55
4.1 Introduction........................................................................55
4.2 Problem Description..........................................................55
4.2.1 Geometric Properties............................................55
4.2.2 Material Properties...............................................55
4.3 Objectives...........................................................................56
4.4 Modeling............................................................................57
4.4.1 Part Module..........................................................57
4.4.2 Property Module...................................................61
4.4.3 Assembly Module.................................................67
4.4.4 Step Module.........................................................69
4.4.5 Interactions Module..............................................73
4.4.6 Boundary Condition.............................................77
4.4.7 Loading Module...................................................79
4.4.8 Mesh Module........................................................83
4.5 Analysis: Job Module........................................................88
4.5.1 Create an Analysis Job: Job-1.............................88
4.5.2 Monitor Solution in Progress...............................91
4.6 Visualization Module.........................................................92
4.6.1 View the Results of the Analysis........................92
4.7 Results and Discussion......................................................93
4.7.1 Case 1...................................................................93
4.7.2 Case 2...................................................................94
4.8 Conclusion.........................................................................99
Chapter 5 Strengthening of the RC Beam Using CFRP Rods and
Concrete Jacketing......................................................................101
5.1 Introduction......................................................................101
5.2 Problem Description........................................................101
5.2.1 Geometric Properties..........................................101
5.2.2 Material Properties.............................................103
5.3 Objectives.........................................................................103
Contents vii
5.4 Modeling..........................................................................105
5.4.1 Part Module........................................................105
5.4.2 Property Module.................................................114
5.4.3 Assembly Module...............................................124
5.4.4 Step Module.......................................................135
5.4.5 Interaction Module.............................................142
5.4.6 Load/Boundary Condition Module....................145
5.4.7 Mesh Module......................................................149
5.5 Optimization Module.......................................................158
5.6 Analysis: Job Module......................................................159
5.7 Visualization Module.......................................................162
5.8 Analysis Result................................................................163
Chapter 6 Explosive Loading on a Sandwich Plate...................................171
6.1 Introduction......................................................................171
6.2 Problem Description........................................................171
6.3 Objectives.........................................................................171
6.4 Modeling..........................................................................172
6.4.1 Part Module......................................................173
6.4.2 Material Properties...........................................173
6.4.3 Sections Properties...........................................176
6.4.4 Section Assignment..........................................176
6.4.5 Assembly Module.............................................180
6.4.6 Step Module.....................................................180
6.4.7 Outputs..............................................................184
6.4.8 Constraint..........................................................184
6.4.9 Interaction Module...........................................184
6.4.10 Contact..............................................................186
6.4.11 Meshing Module...............................................187
6.4.12 Boundary Condition Module...........................189
6.5 Analysis: Job Module......................................................189
6.6 Analysis Results...............................................................189
Chapter 7 The Impact Load on a Reinforced Concrete Beam..................199
7.1 Introduction......................................................................199
7.2 Problem Description........................................................199
7.3 Objectives.........................................................................199
7.4 Modeling..........................................................................199
7.4.1 Part Module......................................................199
7.4.2 Material Properties...........................................207
7.4.3 Section Properties.............................................210
7.4.4 Section Assignment..........................................214
7.4.5 Assembly Module.............................................217
7.4.6 Step Module.....................................................221
viii Contents
7.4.7 Request Output.................................................223
7.4.8 Interaction Module...........................................223
7.4.9 Load Module....................................................230
7.4.10 Predefined Field................................................231
7.4.11 Mesh Module....................................................231
7.5 Analysis: Job Module......................................................235
7.6 Analysis Results...............................................................235
Chapter 8 Eulerian Buckling of Column under Axial Load......................247
8.1 Introduction......................................................................247
8.2 Problem Description........................................................247
8.3 Objectives.........................................................................248
8.4 Modeling..........................................................................248
8.4.1 Part Module........................................................248
8.4.2 Material Properties.............................................248
8.4.3 Section Properties...............................................249
8.4.4 Sections Assignment..........................................252
8.4.5 Assembly Module...............................................252
8.4.6 Step Module.......................................................252
8.4.7 Load Module......................................................255
8.4.8 Mesh Module......................................................256
8.5 Analysis: Job Module......................................................256
8.6 Analysis Results...............................................................258
Chapter 9 Post-Buckling Analysis of Steel Plate Shear Wall...................265
9.1 Introduction....................................................................265
9.2 Problem Description......................................................265
9.3 Objectives.......................................................................267
9.4 Modeling........................................................................267
9.4.1 Part Module......................................................267
9.4.2 Material Properties...........................................270
9.4.3 Section Properties.............................................270
9.4.4 Section Assignment..........................................274
9.4.5 Assembly Module.............................................278
9.4.6 Step Module.....................................................280
9.4.7 Boundary Conditions Module..........................281
9.5 Analysis: Job Module....................................................292
9.6 Analysis Results.............................................................293
9.7 Display Buckling for the First Buckling Mode
Shape..............................................................................294
9.8 Extract Remaining Mode Shapes..................................294
9.8.1 Part 1.................................................................294
9.8.2 Part 2.................................................................294
Contents ix
9.9 Modify Enforced Displacement....................................298
9.10 Implement the Buckling Mode as an Imperfection......298
9.11 Result of Part 1..............................................................299
9.11.1 Plot Plastic Strain Contour.............................300
9.11.2 Plot Stress Concentration...............................301
9.12 Combine the Reaction Force and Displacement
Diagrams........................................................................303
Index.................................................................................................................307