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Overview

1 Introduction

1.1 New Features in RFEM 5
1.2 Program Capacity
1.3 Company Profile
1.4 Using the Manual

2 Installation

2.1 System Requirements
2.2 Installation Process

3 User Interface

3.1 Overview
3.2 Terminology
3.3 Special Terms in RFEM
3.4 RFEM User Interface

4 Model Data

4.1 Nodes
4.2 Lines
4.3 Materials
4.4 Surfaces
4.5 Solids
4.6 Openings
4.7 Nodal Supports
4.8 Line Supports
4.9 Surface Supports
4.10 Line Hinges
4.11 Variable Thicknesses
4.12 Orthotropic Surfaces and Membranes
4.13 Cross-Sections
4.14 Member Hinges
4.15 Member Eccentricities
4.16 Member Divisions
4.17 Members
4.18 Ribs
4.19 Member Elastic Foundations
4.20 Member Nonlinearities
4.21 Sets of Members
4.22 Intersections
4.23 FE Mesh Refinements
4.24 Nodal Releases
4.25 Line Release Types
4.26 Line Releases
4.27 Surface Release Types
4.28 Surface Releases
4.29 Connection of Two Members
4.30 Joints
4.31 Nodal Constraints

5 Load Cases and Combinations

5.1 Load Cases
5.2 Actions
5.3 Combination Expressions
5.4 Action Combinations
5.5 Load Combinations
- 5.5.1 User-Defined Combinations
- 5.5.2 Generated Combinations
5.6 Result Combinations
- 5.6.1 User-Defined Combinations
- 5.6.2 Generated Combinations
5.7 Combination Scheme

6 Loads

6.1 Nodal Loads
6.2 Member Loads
6.3 Line Loads
6.4 Surface Loads
6.5 Solid Loads
6.6 Free Concentrated Loads
6.7 Free Line Loads
6.8 Free Rectangular Loads
6.9 Free Circular Loads
6.10 Free Polygon Loads
6.11 Free Variable Loads
6.12 Imposed Nodal Deformations
6.13 Imposed Line Displacements
6.14 Imperfections
6.15 Generated Loads

7 Calculation

7.1 Checking Input Data
7.2 FE Mesh
7.3 Calculation Parameters
7.4 Starting the Calculation

8 Results

8.1 Nodes - Support Forces
8.2 Nodes - Deformations
8.3 Lines - Support Forces
8.4 Members - Local Deformations
8.5 Members - Global Deformations
8.6 Members - Internal Forces
8.7 Members - Contact Forces
8.8 Members - Strains
8.9 Members - Coefficients for Buckling
8.10 Member Slendernesses
8.11 Sets of Members - Internal Forces
8.12 Cross-Sections - Internal Forces
8.13 Surfaces - Local Deformations
8.14 Surfaces - Global Deformations
8.15 Surfaces - Basic Internal Forces
8.16 Surfaces - Principal Internal Forces
8.17 Surfaces - Design Internal Forces
8.18 Surfaces - Basic Stresses
8.19 Surfaces - Principal Stresses
8.20 Surfaces - Other Stresses
8.21 Surfaces - Contact Stresses
8.22 Surfaces - Equivalent Stresses - von Mises
8.23 Surfaces - Equivalent Stresses - Tresca
8.24 Surfaces - Equivalent Stresses - Rankine
8.25 Surfaces - Equivalent Stresses - Bach
8.26 Surfaces - Basic Strains
8.27 Surfaces - Principal Strains
8.28 Surfaces - Maximum Strains
8.29 Surfaces - Strains - von Mises
8.30 Surfaces - Strains - Tresca
8.31 Surfaces - Strains - Rankine
8.32 Surfaces - Strains - Bach
8.33 Solids - Deformations
8.34 Solids - Stresses
8.35 Solids - Strains
8.36 Solids - Gas Pressure

9 Results Evaluation

9.1 Available Results
9.2 Results Selection
9.3 Results Display
- 9.3.1 Member Results
- 9.3.2 Surface and Solid Results
9.4 Value Display
9.5 Result Diagrams
9.6 Sections
- 9.6.1 Section Through Surface
- 9.6.2 Section Through Solid
9.7 Smoothing Results
9.8 Multiple Windows View
9.9 Filtering Results
9.10 Animation of Deformations

10 Printout

10.1 Printout Report
10.2 Direct Graphic Printout

11 Program Functions

11.1 General Functions
11.2 Selection
- 11.2.1 Selecting Objects Graphically
- 11.2.2 Selecting Objects by Criteria
11.3 Work Window
11.4 Editing Objects
11.5 Table Functions
11.6 Parametrized Input
11.7 Model Generators
- 11.7.1 Copies and Extrusions
  
  11.7.1.1 Parallel offset of lines and members
  
  11.7.1.2 Extruding lines and members
  
  11.7.1.3 Extruding surfaces
  
  11.7.1.4 Generating solids
  
  11.7.1.5 Splitting members into surfaces
- 11.7.2 Model Generators
  
  11.7.2.1 Members
  
  11.7.2.2 Surfaces
11.8 Load Generators

12 File Management

12.1 Project Manager
12.2 Creating New Models
12.3 Network Management
12.4 Block Manager
12.5 Interfaces

13 Literature

7.2.2.2 Mesh Quality Criteria

Mesh Quality Criteria

The parameters of this tab allow you to evaluate the result of the automatic FE mesh generation.

You can set quality criteria for 2D elements of Surfaces as well as for 3D elements of Solids. Furthermore, you can define the criteria that specify when a Warning or a Failure should be displayed.

The quality of the FE mesh can be displayed graphically by using the Display navigator.

Image 7.15 Graphical display of FE mesh quality

Parent Chapter

7.2.2 FE Mesh