Pipe Stress Analysis Complete Course from PASS

You will learn:

• Restraint Types

• Standard Restrains

• Custom Restraint

• Adding Multiple Support Types

In this lecture you will learn how to model:

• Limit stop

• Trunnion on the Bend

You will learn how to choose the right type of restraint and how to model the roller support

You will learn:

• In which cases the spring hangers are needed

• The spring selection algorithm

• How to tune springs manually

• How to perform equipment alignment

• Difference between cold and hot state selection

• Possible error messages

• How to remove the weight load from the equipment nozzles

• What is the spring locking in hydrotest

You will learn:

• What we should check after analysis besides stresses?

• Support load table settings

• Load coordinate systems

• Displacement table settings

• Deflected shape of the piping analysis, stress color diagram

• Wall thickness calculation check against internal pressure

• E, W, y factors

• Allowable stress calculation procedure

• Wall thickness calculation per ASME B31.3 including Chapter IX

• Wall thickness calculation per ASME B31.1, B31.9, B31.5, B31.12, B31.4, B31.8, EN 13480

• Bend and Miter bend wall thickness calculation

You will learn:

• Load classification (primary, secondary, sustained, occasional)

• Pipe stress types. Principal stresses. Equivalent stresses

• Sustained, occasional, expansion stress check per ASME B31.3

• Specific features of stress calculation in nonlinear systems

• Support friction effects on stresses in piping systems

• Low cycle fatigue evaluation

You will learn:

• Appendix V Creep-Rupture Usage Factor calculation and evaluation

• Creep Effect in High Temperature Piping. How does it affect stresses and support loads

• Creep self-springing effect

• Check Summary per ASME B31.3, B31.1, B31.9, B31.5

You will learn:

• Pressure Bourdon effect in piping systems

• Restrained and unrestrained pipe calculation and strength criteria

• Restrained and unrestrained zones in pipelines

• Virtual anchor length

• Effective axial force, upheaval buckling

• Start Smart Check criteria and how does it simplify the pipeline stress analysis

• Pipeline Strength Criteria per ASME B31.4, and B31.8

You will learn:

• What is the stress intensification (SIF) factors

• ASME B31J code and it’s limitations

• How to calculate SIF using finite element method

• SIF and k-factor calculation for lateral tees, trunnions, etc.

• Second layer model of the tee object in PASS/START-PROF

• Second layer model of the trunnion objects in START-PROF

• Brief overview of using the PASS/NOZZLE-FEM software for SIF and k-factor calculation

You will learn:

• What is the minimum design metal temperature?

• MDMT reduction depending on the stress ratio

You will learn:

• Overview of additional strength criteria for buried pipelines

• Cylindrical coordinate system for pipelines

• Creating the buried piping system. Properties of the buried pipe

• Soil database. Detailed explanation of all required soil properties: void ratio, unit weight, particle unit weight, internal friction angle, cohesion, etc.

You will learn:

• Pipe-soil interaction model. Expansion pad and polyurethane foam insulation flexibility

• Longitudinal, lateral, and vertical soil spring properties. Soil pressure arch effect

• Soil properties for inclined and vertical pipes

• Soil spring placement algorithm for dry soil. Restrained, sliding and bending zones

You will learn:

• Specific behavior features of the buried pipeline in contrast to the above ground pipelines. Virtual anchor length

• Dealing with huge axial elongations for cross country pipelines

• Effect of placing supports on buried piping

• Soil model for submerged pipes. Ballasting weights, buoyancy force

• Methods of thermal expansion compensation

• Single use compensators

• Pre-heating

You will learn:

• Ring bending stress from soil pressure

• Checking stresses in polyurethane insulation

• Pipe stresses from live loads on ground surface

• Very long radius bends. Restressed long radius bends

• Modelling pipeline laying over terrain profile

• Modelling pipeline trenching

• Modelling pipeline lifting for repair

• Modeling of soil subsidence, frost heaving, fault crossing with example

• Strain limit check per ASCE 2001 (ALA)

You will learn:

• Landslide modeling

• Seismic wave propagation analysis with example. Strain check per ASCE 2001 (ALA)

• Example of accurate modeling of seismic P,S,R-waves

• Example showing why pipe branches and pipe turns fail during seismic wave propagation

• Pipe wall buckling check

• Modeling of underground chamber

• Modeling of pipeline in casing with spacers

• Checking Stress in insulation joint (electrical insulation kit)

• Upheaval buckling analysis

• Lateral buckling for above ground pipelines

You will learn:

• The methods of modeling the connection to pressure vessels

• Thermal expansions of the equipment modeling

• Modelling the local nozzle flexibility using WRC 297 and PD 5500. “Nozzle” object

• Ways of modeling the global vessel flexibility. “Cylindrical shell” and “rigid element” objects

You will learn:

• Calculation of nozzle flexibilities per WRC 297 for cylindrical shell

• Calculation of nozzle flexibilities per PD 5500 for cylindrical shell

• Calculation of nozzle flexibilities per PD 5500 for spherical head

• Stress check per WRC 537/WRC 297. What is the difference and application limitations

• Calculation of nozzle flexibilities and stresses with finite element method (FEM) using PASS/Nozzle-FEM software. Stress extrapolation, effect of tuning the mesh size

You will learn:

• Modeling of horizontal pressure vessels

• Modeling of the columns

• Modeling the connection to the storage tank. “Storage tank” object

• Modeling the tank settlement

• Modeling the tank bulging and thermal expansion

• Modeling the tank nozzle flexibility per API 650 and using finite element method

• Checking the tank nozzle allowable loads using API 650 method and finite element method

• Different techniques of nozzle to tank connection modeling

• Modelling the spring hangers to compensate the tank settlement

You will learn:

• Two different methods of fired heater modeling and checking. API 560. “Fired heater” object

• Fired heater radiant coil analysis, API 530

• Methods of air cooled heat exchanger modeling. “Air cooler” object

• Checking the allowable loads on air cooled heat exchanger per API 661

• Methods of modeling the connection to the pump. Pump thermal expansions. “Pump” object

• Modeling the pump and pump baseplate flexibility

• Checking the loads per API 610

• Modeling the in-line pumps and checking allowable loads per API 610. “In-line” pump object

• Modeling the filters and checking allowable loads

• “Custom pump” object

• Modelling the compressor and turbine. Checking the allowable loads per API 617 and NEMA SM 23. “Compressor” and “Turbine” objects

• Modular design. Modeling the connection to the module

You will learn:

• Nominal pressure for expansion bellows

• Allowable axial, angular and lateral movements for expansion bellows depending on pressure and number of full cycles

• How to check allowable movements that is acting simultaneously

• How to check torsion moment acting on bellows

• Axial, angular and lateral stiffness of bellows depending on temperature

• How to consider the effect of friction and pressure stiffening on angular and lateral stiffness of bellows

• Pressure thrust force. Tied expansion joints

You will learn:

• Cold spring of expansion joints

• Types of expansion joints, axial, lateral, rotational allowable movements for each type

• Axial expansion joint application and possible problems

• Lateral and universal expansion joint modeling and application

• Gimbal and hinged expansion joint modeling and application

• Pressure balanced expansion joints

• Rubber expansion joint features

• Flexible hoses modeling and checking

• Slip joint

• Torsion Joint

• Ball joint

• Weight of expansion joints

• Coupling types and modeling

• Expansion joint database

You will learn:

- Main differences of thermoplastic piping behavior comparing to the steel piping

- Thermoplastic piping failure examples

- DVS 2205-1 / DVS 2210-1 / EN 1778 code requirements

- Creep Modulus, Thermal Expansion Factor

- Allowable Stress Calculation, Material Database

- Buckling Analysis

- Examples, comparison with SIMONA engineering guide

You will learn:

• Main Differences of FRP/GRP/GRE piping behavior comparing to the steel piping

• FRP/GRP/GRE Material Database

• Pipe pressure elongation

• Piping failure criteria according to ISO 14692

• Ring bending stress calculation

• Wall thickness calculation

• Buckling analysis

In this lecture you will learn

• How to Import from PCF format file (piping component file)

• How to Import the model from Excel,

• What is START-PROF API Interface

The example programa on C#, VBA (in MS Excel) that creates one pipe element in START-PROF are in the attachment

You will learn how to:

• Copy model into Word

• Export into neutral file

• Create report in MS Word

• Export into Autocad

• Export into BMP, JPG, etc.

• Export to PCF format

• Export to CAESAR II, Import from CAESAR II

You will learn:

• Install START-AVEVA module

• How to import from AVEVA into PASS/START-PROF

• How to export from PASS/START-PROF into AVEVA

You will learn:

• How to Install START-REVIT module

• Settings of REVIT integration module

• Export setup methods

• Export procedure

You will learn:

• Import from PCF file

• Export to PCF file

• PCF file import customization file

You will learn:

• Normal Modes Calculation Theory. Example of ne mass and two mass system

• Settings for dynamic analysis in PASS/START-PROF

• Example of two mass and distributed mass system in PASS/START-PROF

• Automatic mass distribution method

• Viewing the natural frequencies and mode shapes

• Normal modes analysis of nonlinear systems with gaps, single-directional restraints, friction and rotating rods

• Code requirements for the natural frequencies and common practice

• Common methods of piping system tuning to avoid vibration with example

• The problem of friction effect on vibration and solution

• How to increase the accuracy of calculated natural frequencies

Overview of the methods Original B31G, Modified B31G, Effective Area