管道（系）应力分析软件介绍

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本文参照了http://blog.csdn.net/findhao/，感谢该作者提供的基础。本文结合本人实际需要，在该作者的基础上，查阅资料，总结得到。

下面将依次介绍相关软件。

1 caser ii, the web address: http://www.coade.com/products/caesarii

functions

Caser II can handle a lot of problems. It is a system for you to do pipeline analysis. IntergraphCAESAR II evaluates the structural responses and stresses of pipingsystems to international codes and standards. CAESAR II is the pipestress analysis standard against which all others are measured. Here are some of the functions provided by the authority.

Data Input

CAESAR II makes it easy to input and display all the data needed to accurately define a piping system analysis model. Input can be accessed or modified on an element-by-element basis, or datasets can be selected to make global changes.

Cutting-edge Graphics
The CAESAR II input graphics module makes quick work of developing analysis models while clearly indicating areas of concern and providing an excellent idea of the piping system's flexibility. Color-coded stress models and animated displacements for any stress load case are available.

Design Tools and Wizards
Tools and wizards for tasks such as creating expansion loops or viewing plant models in the analysis space help bridge the gap between knowledge and experience. Such tools take the guess work out of producing accurate analysis and recommending practical design changes.

Analysis Options
Besides the evaluation of a piping system’s response to thermal, deadweight and pressure loads, CAESAR II analyzes the effects of wind, support settlement, seismic loads and wave loads.

Nonlinear effects such as support lift off, gap closure and friction are also included. CAESAR II also selects the proper springs for supporting systems with large vertical deflections. Dynamic analysis capabilities include modal, harmonic, response spectrum and time history analysis.

Error Checking and Reports
The CAESAR II program includes an integrated error checker. This error checker analyzes the user input and checks for consistency from both a "finite element" and "piping" point of view. Reports are clear, accurate concise and fully user definable.

Material and Assemblies Databases
CAESAR II incorporates table look-ups for piping materials and components plus expansion joints, structural steel sections, spring hangers and material properties including allowable stress. This ensures correct datasets are used for each analysis. CAESAR II comes complete with major international piping codes.

Bi-directional Interface with Design
CAESAR II incorporates the industry's first and only seamless, bi-directional link between CAD plant design and engineering analysis. This link to Intergraph CADWorx® Plant allows the passing of design and analysis data between these packages without data loss.

CADWorx, a parralleling software

CADWorxand CAESAR II allow us to develop faster designs

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2 pipeline studio, web address: http://www.energy-solutions.com/products/pipeline_studio.php

The company says its mission is to be the recognized leader in decision support software driving excellence in pipeline safety, operational efficiency and throughput management.

PipelineStudio is the industry-leading pipeline design and engineering solution that combines graphical configuration and reporting tools with industry-proven simulation engines. It provides fast, accurate, robust and reliable answers to a wide range of steady-state and transient analysis challenges.

PipelineStudio delivers rapid and accurate offline design, planning and hydraulic analysis for natural gas and liquid pipelines through advanced state-of-the-art simulation techniques. The combination of both steady-state and transient hydraulic simulation within a feature rich Windows graphical interface enables better understanding of even the most demanding problems by providing appropriate analysis of the process. PipelineStudio has been proven to be an effective decision support tool that really can deliver financial benefit to your organization.

Its familiar Windows look and feel makes it easy to use right out of the box. Workflow enhancing techniques such as templates and complexity management along with a comprehensive set of pipes and pipeline equipment enable rapid configuration of robust and accurate models of your whole pipeline network. And once PipelineStudio has constructed an engineering model of your pipeline network, the same model can be integrated into custom applications, or other EnergySolutions products, to enhance specific business processes and your financial performance.

The related software include pipeline manager, pipeline optimizer, pipeline transporter, gas load focaster, pipeline dashboard, etc.

Use PipelineStudio for:

Flow assurance
Designing, routing, sizing of pipeline networks
Upset, leak and survival time analysis
Strategic, operational and capacity planning
Rapid assessment of unscheduled changes in operation
Operational prognosis
Compressor requirements
Fuel consumption calculations
Line pack management
Assessment of storage requirements
Surge Analysis

With over 30 years in the market place, PipelineStudio has been tried, tested, proven and relied upon by many hundreds of companies throughout the world.

3 pipeline stress analysis http://www.microalloying.com/onshore/pipeline-stress-analysis.htm

Review of alignment sheets and geotechnical reports
Provide pipeline stress analysis
- Construction
- Commissioning
- Operation
Pipeline fatigue analysis
Finite element analysis of lowering-in operation
Development of pipeline lowering-in specification
Interaction with pipeline regulators

4 pipeline failure analysis http://www.materialsengineer.com/CA-pipeline-failure.htm

Pipelines are pressure tested in addition to nondestructive testing prior to being put into service. Normally, pipelines are hydrostatically stressed to levels above their working pressure and near their specified minimum yield strength. This pressure is held for several hours to ensure that the pipeline does not have defects that may cause failure in use. This proof test of pipelines provides an additional level of confidence that is not found in many other structures.

Pipeline Failure Analysis

Some of the causes of pipeline failures are listed below:

Mechanical damage
Fatigue cracks
Material defects
Weld cracks
Incomplete fusion
Improper repair welds
Incomplete penetration
External or internal corrosion
Hydrogen blistering

Mechanical damage normally consists of gouges and dents. They generally are created by excavation or handling equipment during construction.

5 OASYS, web address: http://www.oasys-software.com/

This company offers a series of tools for you to manage structural building problems. These fields can be described by the following which is from the authority.

Document Management

Mail Manager simplifies and speeds up the process of filing, finding and sharing emails. Columbus Professional is a combined navigator and viewer that allows you to view all the information you need in a clear and structured way.

Geotechnical

Probably the most comprehensive and widely used collection of geotechnical tools, the focus of our software is in the design and analysis of piles,retaining walls, soil movement and soil structure interaction.

Structural

Whether you are designing a tall building, an iconic bridge, a deep foundation, or something unusual like a sculpture, engineers use Oasys structural software throughout the design process, from the initial scheme to the final details.

Seismic Software

Oasys seismic software allows engineers to model a site and quickly evaluate the influence of the soil on the seismic excitation. The response spectra generated can then be used in our structural analysis software to predict the limits of the dynamic response to an earthquake.

AutoCAD Tools

AutoCAD-based tools to help draughtsman and engineers with reinforced concrete detailing.

LS-DYNA

Is a general-purpose finite element program for the analysis of the non-linear dynamic response of three-dimensional structures. LS-DYNA is both an implicit and explicit solver.

6 Zentech International Limited hhttp://www.zentech.co.uk/soft_pipeline.htm

Application

Oil and Gas industry operators; Offshore engineering contractors; Pipeline installation contractors.

Introduction

Pipeline performs fast 3D static, non-linear stress analysis of various situations encountered during offshore pipeline installation and operation. The program analyses:

pipe laying using a barge with stinger or ramp
pipe lifting or pulling operations
pipe towing
pipe spanning on an irregular seabed
pipe installation start-up, recovery and abandonment procedures.