
Fiberglass Transportation Line Stress Analysis
A 5-inch glass-reinforced epoxy (GRE) transportation line has been installed underground, featuring several above-ground steel pipe connections. Designed to withstand a pressure of 150 bar

A 5-inch glass-reinforced epoxy (GRE) transportation line has been installed underground, featuring several above-ground steel pipe connections. Designed to withstand a pressure of 150 bar

A planned modification to a cokes gas piping involves the installation of a new pipeline to a gas user and the decommissioning of an existing

A stress analysis was conducted on a tubular heat condenser utilizing finite element analysis (FEA). This condenser configuration includes a rotational asymmetric tube bundle secured

In a new industrial process, an existing floating head heat exchanger is being repurposed. The operational conditions involve cyclic loading, which were not originally considered

Introduction Following the replacement of an older tail gas heater, issues with leakage from the top tubesheet flange connection have emerged during production. Despite attempts

This case study details the determination of wall thickness for a Glass Reinforced Epoxy (GRE) tank. Analysis The process of defining the wall thickness was

A gas compressor station, comprising five similar compressor units connected by an inlet and outlet header, is planned for offshore construction in Mexico. Each unit

Dynaflow Research Group (DRG) conducted comprehensive pipe stress analyses for a large oil and gas extraction facility. This facility comprises three onshore flow stations, one

A large-diameter seawater dump caisson, constructed from Glass Reinforced Epoxy (GRE), required a comprehensive strength assessment. This caisson featured five nozzles, with one positioned in

Dynaflow Research Group (DRG) conducted a static analysis of a rectifier or afterwash column, which consisted of a carbon steel shell with a 15 mm

A steel pipeline was under construction for offloading naphtha from ships arriving at a jetty. A surge analysis was conducted to evaluate the pipeline’s capability

DRG was engaged to conduct a comprehensive stress analysis for three sulphur recovery burners, in accordance with ASME VIII Division 1 of the Boiler and

A comprehensive stress and surge analysis was performed for the firewater piping system of an LNG plant located in South America. The system, constructed using

The customer needed to determine the flow split between six cooling towers within a cooling tower arrangement. Analysis The six cooling towers were fed from

This project presented the assessment results of the analysis of the pressure-containing part of an actuator. The focus was on evaluating the actuator’s integrity through

In this study, the details and results of the stress analysis performed for the design of two platforms attached to the reinforcement rings of a

This case study detailed the static and dynamic assessment of a Wintrack Tower. Wintrack Towers represented a new geometrical design for suspension towers for high-tension

Dynaflow Research Group conducted a comprehensive stress analysis on three critical components of a high-pressure heat exchanger: the stationary tubesheet, cone-shaped channel, and shell with

This case study examines the stress analysis conducted on a firewater piping system constructed entirely of Glass Fiber Epoxy (GRE) piping. The system featured a

This case study examines the thermal stress analysis conducted on three critical components of a high-pressure heat exchanger: Stationary tubesheet Cone-shaped channel Shell including cone

This case study examines the static stress analysis conducted on the underground portion of a Seawater Network in a Gas Field development project. The underground

Table of Contents A Good GRP Code Covers a Large Variety of Products and Loading Conditions A robust Glass Reinforced Plastic (GRP) piping code must

Thermal bowing is a structural phenomenon that arises when a temperature gradient exists across the cross-section of a pipe or vessel. In typical pipe design,

Table of Contents As the demand for flexible, energy-efficient, and reliable compressor operation grows—particularly in hydrogen and process gas applications—our clients increasingly turn to stepless

Table of Contents Multiphase flow is a recurring challenge in process engineering, where multiple fluid phases—such as gases, liquids, or solids—interact within a single flow

In the chemical and energy industries, liquid products such as LNG, ammonia, or naphtha are commonly transferred between ships and onshore storage tanks. These transfers

In the engineering domain, accurately simulating transient events in pipeline systems is critical, particularly for essential safety mechanisms such as firewater systems. These systems, typically

Introduction Pressure vessels are critical components in a wide range of industries, including power generation, petrochemical processing, and industrial manufacturing. These vessels are designed to

When Theodor von Kármán first discovered vortex shedding in 1911, he likely had no idea how pivotal his work would become for modern engineering, particularly

In a previous article, we introduced the risks and design considerations of repurposing an existing natural gas compressor system for hydrogen. That discussion focused on

ON-DEMAND 🕖 50 MIN 🌏︎ ENGLISH Acoustically Induced Fatigue in Gas Filled Piping Systems Using BOSfluids Remco Boere Senior Software Engineer Get instant access

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Simulation Strategies and Practical Application for Vapour Cavity Formation Dr. Ir. Erik Jan Lingen Software Director Get

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Fundamentals, Failure Mechanisms, and Engineering Consequences of Vapor Cavity Formation Dr. Ir. Erik Jan Lingen Software Director

ON-DEMAND 🕖 45 MIN 🌏︎ ENGLISH Bridging the Gap: From NFPA 15 Steady-State Design to Transient Surge Analysis in Tank Terminals Uri Peker

ON-DEMAND 🕖 45 MIN 🌏︎ ENGLISH Support Stiffness Effects on Mechanical Natural Frequencies in Reciprocating Compressor Piping Systems Thijs Krijger Project Engineer Get

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Beyond hydraulics: a practical guide to fire water analyses with BOSfluids Dr. Ir. Erik Jan Lingen Software

ON-DEMAND 🕖 3 SESSIONS x 45 MIN 🌏︎ ENGLISH Complete Pulsation Analysis Using BOSpulse Tim Gebraad Software Lead Engineer Marienne Faro Software Sales Engineer

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Getting the Timing Right: Why Time Step Size Is Critical In Surge Analysis Dr. Ir. Erik Jan

ON-DEMAND 🕖 30 MIN 🌏︎ ENGLISH Protecting Tank Terminal Assets Through Surge and FFS Analyses Thijs Krijger Project Engineer Katrine van Overhagen Engineer

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Choosing the right GRE piping standard: a comparison of ISO 14692 and ASME NM.2 Edwin Schimmel Project Engineer

ON-DEMAND 🕖 50 MIN 🌏︎ ENGLISH How Stepless Capacity Control Shapes Flow and Pulsations Thijs Krijger Project Engineer Get instant access Free. Recording

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Water Hammer Analysis & Mitigation in Pipeline Systems with BOSfluids Dr. Ir. Erik Jan Lingen Software Director

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Water Hammer Analysis & Mitigation in Pipeline Systems with BOSfluids Dr. Ir. Erik Jan Lingen Software Director

ON-DEMAND 🕖 35 MIN 🌏︎ ENGLISH Understanding, Modelling, and Managing Thermal Bowing using CAESAR II David Tickner Senior Engineer Get instant access Free.

ON-DEMAND 🕖 35 MIN 🌏︎ ENGLISH Using CFD for optimizing multiphase process engineering Bart van der Zalm Senior Engineer Get instant access Free.

DRG CONFERENCE – 35TH ANNIVERSARY 🌏︎ ENGLISH Innovations that Change the Engineering Industry Get instant access Free. Recording + slide deck available Event Description

ON-DEMAND 🕖 35 MIN 🌏︎ ENGLISH Fatigue Assessment According to ASME B&PV VIII Div.2 Lukas Bajarunas Senior Software Engineer Get instant access Free

ON-DEMAND 🕖 45 MIN 🌏︎ ENGLISH Fiberglass Piping Stress Envelope According to ISO 14692 using CAESAR II Edwin Schimmel Project Engineer Get instant

ON-DEMAND 🕖 30 MIN 🌏︎ ENGLISH Understanding and Mitigating AIV and FIV in Modern Plant Design David Tickner Senior Engineer Get instant access

ON-DEMAND 🕖 30 MIN 🌏︎ ENGLISH How To Predict Stresses From Slug Flows Daniëlle de Jong Senior Engineer Get instant access Free recording

ON-DEMAND 🕖 60 MIN 🌏︎ ENGLISH Building models using the import PCF file feature & model verification In BOSfluids Thijs Krijger Project Engineer

This project examines the root cause of increased vibrations observed in the control valve 670FC005-VC at Shell Pernis following its replacement with a new valve from a different manufacturer. The resulting vibrations led to a critical mechanical failure at the connection between the valve stem and the actuator. The objectives

At BP Geel, a new extension of the fire protection system experienced operational failures during start-up due to surge effects. A similar incident with line AFW-023025 had previously prompted a surge analysis, leading to the current study focused on the adjacent foam system, line AFW-023024. The foam line, running nearly

At the BP Geel facility, a previous failure of the fire protection system during start-up prompted a detailed investigation into surge effects within the network. The incident occurred on line AFW-023025, and subsequent studies identified hydraulic transients as the primary cause. Given the similar configuration and operating principle of the

The ONE GUYANA Floating Production Storage and Offloading (FPSO) unit has been designed to operate in deepwater conditions with a production capacity of 250,000 barrels of oil per day. The FPSO is designed for a 20-year operational life, handling complex processes including water and gas injection. Previous projects highlighted the

During this project the optimal wearplate thickness for pipe supports on the FPSO Maria Quiteria was investigated, aligning with the Yinson project specifications. The primary objective was to validate whether the prescribed wearplate thicknesses—6mm for pipes of 10” and smaller, 10mm for larger pipes, and 12.7mm for pipes with higher

On the Goliat Floating Production Storage and Offloading (FPSO) unit, significant vibration and cavitation phenomena were observed downstream of control valve 71PV1103 on the minimum flow line of pump B during maximum flow conditions. Additionally, pressure surges were reported during system start-up through this minimum flow line. Such issues posed

The Petrojarl I Floating Production, Storage, and Offloading (FPSO) facility, in operation since 1986 in the North Sea, underwent critical modifications to prepare for deployment at the Atlanta oil field offshore Brazil. The relocation entailed adapting the crude oil offloading system to manage Brazilian crude with higher viscosity and to

The client commissioned a surge analysis for the Waste Water (WW) system at the Rotterdam terminal. The analysis aimed to quantify transient pressures and unbalanced forces generated by various hydraulic events: pump trips, pump startups, pump switchovers, and the closure of two key butterfly valves. The analysis was performed using

This case study presents the findings of a comprehensive pipe stress analysis of several tank lines following a leakage incident at an expansion joint. The analysis was initiated after segments of the tank lines were replaced with new routing. Upon operation of the system, a leak was detected at the

The project focused on evaluating the mechanical integrity and support strategy of a glass-reinforced plastic (FRP) piping system lined with unplasticized polyvinyl chloride (PVC-U), designed to protect the glass-reinforced plastic structural layer against the corrosive gas mixture. The temporary installation provides an additional gas cleaning stage for the sulphuric acid

This case study presents a technical assessment of the Glass Reinforced Plastic (GRP) piping system installation at a power plant, based on a visit conducted at its site. The evaluation focused on the material quality, engineering, and site installation activities for the project’s cooling water and firewater systems. Particular attention

The client experienced multiple unexpected failures in the underground firewater (FW) network at one of their facilities. The network utilizes fiberglass-reinforced plastic (FRP) piping. To determine the root causes of these failures, a material investigation was conducted by Dynaflow Research Group on pipe samples. This case study presents the methodology,

A heat exchanger was found to have fluid leakage from the tube side into the shell side after approximately 3 years of operation. Initial inspections suggested that flow-induced vibrations (FIV) were causing support rods to puncture through tube walls. To diagnose and address the source and effects of the FIV

This project presents a detailed technical assessment of two vertical tube cooker (shell-and-tube heat exchanger) designs using Computational Fluid Dynamics (CFD). The analysis was conducted for Tanis, a manufacturer of candy production lines, with the objective of verifying and improving the thermal performance of the tube cooker, a critical process

Dynaflow Research Group was asked to conduct a comprehensive finite element (FE) analysis on a custom hairpin heat exchanger. The primary objective was to assess the exchanger’s structural integrity under demanding cyclic loading conditions, focusing on fatigue life and ratcheting behavior in compliance with the ASME Boiler and Pressure Vessel

Effective mixing in bioreactors is essential for maximizing mass transfer, homogenizing chemical species, and ensuring uniform biological activity. The client undertook a computational fluid dynamics study in collaboration with Dynaflow Research Group to evaluate the performance of a 60 m³ hydrogen sulfide (H₂S) bioreactor, with a specific focus on mixing

Excessive vibrations were detected in the discharge piping of compressor C801 at BP Rotterdam. The observed vibration frequencies corresponded to the compressor’s running speed and its harmonics, indicating the compressor as the primary excitation source. This prompted an in-depth technical investigation due to concerns over the integrity and reliability of

The API 618 DA3 study at the Q8 Terminal, commissioned by Wintershall Noordzee and executed by Dynaflow Research Group, was initiated to ensure the mechanical reliability and performance of the reciprocating compressor piping system. This study focuses on the evaluation of pulsation and vibration per API 618 (5th Edition, 2007)

Building directly on the preceding site verification and model augmentation phase, the objective of the stress assessment was to ensure the mechanical integrity and regulatory compliance of the entire piping network under all anticipated operational, test, and environmental scenarios. The assessment was carried out in accordance with ASME B31.3 and

Following the initial review of the pulsation and vibration analysis for the Q8 Terminal compressor station, a detailed site visit was conducted to resolve ambiguities in the as-built system configuration. The purpose of this site visit was to verify support functionality, assess current installations, confirm actual piping layouts, and gather

This case study presents a critical review of the pulsation and vibration analysis carried out by a third-party supplier, focusing on the Q8 Terminal compressor station. The analysis, conducted in accordance with API 618 Design Approach 3, aimed to assess the dynamic response of the compressor and associated piping systems.

DYNAFLOW RESEARCH GROUP (“DRG”) Enters into Reseller Agreement with Quality Professional Software (“QPS”) RIJSWIJK, The Netherlands – January 24, 2024 (Dynaflow Research Group BV) –

Dynaflow Research Group and Seawind Ocean Technology announce collaboration focusing on technical readiness of floating offshore wind applications in the Mediterranean Sea. This landmark partnership