Objective The purpose of this study is to perform a detailed comparison of pressure vessel design workflows using two different software tools – VCLAVIS and a leading industry-standard software (latest available as of April 2025). The focus […]
All posts by Dassa Isaak
Co-Founder & Lead Engineer at VCLAVIS O.E.
Experienced Mechanical Engineer with a strong track record in the pressure vessel industry, specializing in the design and analysis of heat exchangers. Proficient in leading engineering tools including VCLAVIS.com, Autodesk Inventor, PVElite, VVD Ohmtech, and HTRI. Highly knowledgeable in international design codes and standards, including ASME, AD2000, PD5500, and EN13445. Holds a Master’s degree in Mechanical Engineering from the Aristotle University of Thessaloniki. Lead Engineer and Co-Founder of VCLAVIS.com, a specialized software platform for pressure vessel calculations.
Comparative study of Pressure Vessel Design Software – Case Study for a Heat Exchanger
Objective The purpose of this study is to perform a detailed comparison of heat exchanger design workflows using two different software tools – VCLAVIS and a leading industry-standard software (latest available as of April 2025). The focus […]
Comparative study of Pressure Vessel Design Software – Case Study for Vertical Column
Objective The purpose of this study is to perform a detailed comparison of pressure vessel design workflows using two different software tools – VCLAVIS and a leading industry-standard software (latest available as of April 2025). The focus […]
Comparative study of Pressure Vessel Design Software – Case Study for Fatigue Analysis
Objective The purpose of this study is to perform a detailed comparison of pressure vessel design workflows using two different software tools – VCLAVIS and a leading industry-standard software (latest available as of April 2025). The focus […]
Comparative study of Pressure Vessel Design Software – Case Study for Vessels in Creep
Objective The purpose of this study is to perform a detailed comparison of pressure vessel design workflows using two different software tools – VCLAVIS and a leading industry-standard software (latest available as of April 2025). The focus […]
Should Pressure Vessel Software Replace Hand Verification?
Introduction The increasing complexity of static equipment design has led to the widespread adoption of specialized pressure vessel software. These tools automate calculations, ensuring compliance with ASME, EN, and other design codes. However, should commercial software fully […]
Nozzle Loads on Pressure Vessel Design – Stability Considerations
Introduction Nozzles are essential components of pressure vessels, serving as connection points for piping, instrumentation, and other equipment. While nozzle loads are typically considered to have a local effect on the vessel shell, there are scenarios where […]
Comparative Study of Expansion Joint Analysis Methods for use in Pressure Vessel Calculations
Expansion joints play a vital role in piping and pressure vessel systems by accommodating thermal expansion, contraction, vibration, and misalignment. Over the years, various design methods have been developed to ensure both safety and longevity. This article […]
Pressure Vessel Calculations – Agitator Nozzle Insight
When designing pressure vessels with nozzles supporting agitators, fatigue analysis is crucial to ensure long-term reliability. While Finite Element Analysis (FEA) provides a detailed evaluation, a simpler and quicker method can be used by leveraging Welding Research […]
