DETAILED STRUCTURAL ASSESSMENT

SILA provides comprehensive tools for high-temperature life assessment.

Our mission

The Structural Integrity and Life Assessment research group (SILA), based at the University of Strathclyde, has an internationally recognised experience in tackling very complex problem regarding the integrity of crucial industrial components. Demonstrating and extending the life of critical components operating in nuclear and conventional assets are critical for safe and reliable generation of low carbon electricity and products. While under nominal operation, the structural response of components and materials can largely vary due to loading levels, thermal ageing, and other environmental effects. It is therefore critically important that the response of the structure is properly identified and all the possible failure modes are considered for ensuring the integrity of the commercial component.  

The knowledge and expertise of the group is based on a number of successful research projects in collaboration with different industrial partners including EDF Energy, Siemens and Rolls Royce. The group has also a decade of experience in developing and extending the Linear Matching Method Framework (LMMF), consisting of robust, efficient and versatile methods. LMMF provides simplified methods for calculating approximate inelastic solutions and tackling relevant design issues using standard finite element codes. All the LMM procedures have been implemented in ABAQUS finite element commercial software with an intuitive and user-friendly plugin. The LMM software tools for structural integrity assessment represent unique and novel approaches to solve design and routine assessment of industrial components. The LMM has been recently implemented within the UK’s R5 Procedures and recommended by the R5 panel for high temperature structural integrity assessment.

Latest news

Presentation of prestigious ASME Fellow award in the 2019 ASME PVP Conference

July 24, 2019

Prof. Haofeng Chen attended the 2019 ASME Pressure Vessel and Piping Conference in San Antonio in July, and received a prestigious ASME Fellow award at the Honors and Awards Gala in recognition of his outstanding engineering achievements. The award was presented by Sam Y. Zamrik, ASME Past President, Richard Laudenat, ASME President, and Thomas Costabile, ASME Executive Director/CEO. Haofeng Chen has been elected a Fellow of the American Society of Mechanical Engineers in January 2019. During the conference, he also presented a paper titled "Creep-cyclic plasticity analysis of welded joint with prior welding residual stress using the direct method".

Haofeng Chen Elected ASME Fellow

February 01, 2019

Congratulations to Haofeng Chen who has been elected a Fellow of the American Society of Mechanical Engineers in recognition of his outstanding engineering achievements.

ASME is a global engineering society comprised of more than 130,000 members in more than 151 countries. Less than 4,000 members have achieved ASME Fellow status. The Fellow grade is truly a distinction among ASME members.

As stated by ASME, “A Fellow, one who has attained a membership grade of distinction, at the time of advancement shall be a corporate member of the Society, shall have been responsible for significant engineering achievements, and shall have not less than 10 years of active practice and 10 years of corporate membership in ASME.”

The formal presentation of the award will be made at the 2019 ASME Pressure Vessel and Piping Conference, in San Antonio, Texas, USA, July 14-19.

Strathclyde Student Is First UK University Student to Win Conference Medal

July 25, 2018

Nak-Kyun Cho from the Department of Mechanical & Aerospace Engineering is celebrating after being named Best Student at the International Conference on Nuclear Engineering (ICONE) – the first time this award has been presented to a student from a UK University. 

ICONE is the premier global conference on nuclear reactor technology jointly sponsored by The Japan Society of Mechanical Engineers (JSME) and The American Society of Mechanical Engineers (ASME) and The Chinese Nuclear Society (CNS), and the 26th conference (ICONE26) was held in London in July 2018.

The competition committee strictly evaluated papers submitted from all over the world and selected 15 qualified students from each of the following geographic regions: North America, Japan/Asia, China, and Europe. The qualified students’ papers were evaluated again by the technical community during the conference, and five students from each region were selected for a Best Paper Award, and only one paper was selected for Akiyama Medal.  Finally Nak-Kyun was awarded the Best Student Award Awardand, the Akiyama Medal.

Nak-Kyun won with his research paper titled “Cyclic plasticity behaviour of 90° back-to-back pipe bends under cyclic bending and steady pressure”. The ASME supported his registration fee, banquet and reception, and the student technical tour for his attendance to ICONE26.

Nak-Kyun commented on his win; “ I was so happy when I heard the technical community from all over the world nominated my paper for the Best Student Award. And it is also a great honour for me to become the first UK student winner of the prestigious prize. By receiving this award, it was a good opportunity to introduce research activities of our university to internationally renowned research institutes and nuclear industries.”

Mr. Puliyaneth attended the 52nd ASME Pressure Vessels & Piping Conference and received PVP Certificate of Recognition for his paper

July 19, 2018

Mr. Manu Puliyaneth successfully presented his conference paper titled “Creep fatigue damage assessment of V-butt weld pipe with an extended direct steady cycle analysis" at the 52nd ASME Pressure Vessels and Piping Conference. The paper was chosen towards the “Rudy Scavuzzo Student Paper Symposium and 26th Annual PVPD Student Paper Competition” and Mr. Puliyaneth won the PVP Certificate of Recognition. The cyclic plastic behaviour and creep fatigue behaviour of the welded pipe is addressed using LMM in the paper. The session of Student paper was chaired by Dr. Douglas Scarth, Technical Director, Kinectrics, Toronto, Canada and other experts in the field. During this event, he also received numerous positive comments. Now Mr. Puliyaneth is preparing a full journal paper as result of this achievement.

Mr. Puliyaneth secured University Travel Grant

June 30, 2018

SILA research group is proud to announce that Mr. Manu Puliyaneth has succeeded in securing the Post Graduate Researcher travel award from the University of Strathclyde. The travel scholarship entitles the student up to £400 for covering travel costs to conferences across Europe.

Mr Nak-Kyun Cho won a Qualified Student Award from Student Paper Competition organised by International Conference on Nuclear Engineering (ICONE)

April 30, 2018

Mr Nak-Kyun Cho has won a Qualified Student Award with a research paper titled “Cyclic plasticity behaviour of 90° back-to-back pipe bends under cyclic bending and steady pressure”, organised by International Conference on Nuclear Engineering (ICONE). ICONE is the premier global conference on nuclear reactor technology jointly sponsored by The Japan Society of Mechanical Engineers (JSME) and The American Society of Mechanical Engineers (ASME) and The Chinese Nuclear Society (CNS), and its 26th conference (ICONE26) will be held in London on July 2018. The award competition committee strictly evaluated papers submitted from all over the world and selected 15 qualified students from each of the following geographic regions: North America, Japan/Asia, China, and Europe. The qualified students’ papers will be evaluated again by the technical community during the conference, and 5 students from each region will be selected for a Best Paper Award. Finally one student will be granted the Best Student Award, Akiyama Medal. Since the award was established in 2009, no Akiyama Medal winner has been based in a UK university. We are looking forward to Mr Nak-Kyun Cho winning this honour at ICONE26.

SILA Group Contributes to ICF

June 18, 2017

Founded by Professor T. Yokobori in 1965, the International Congress on Fracture (ICF) is today the premier international body for promotion of worldwide cooperation among scientists and engineers concerned with the mechanics and mechanisms of fracture, fatigue and strength of solids. Mr Giugliano and Dr Haofeng Chen successfully presented their conference paper titled “Novel development and applications of the linear matching method (LMM) for design limits in plasticity and creep of metal matrix composites (MMCs)”. The Cyclic plastic behaviour and creep fatigue behaviour of aluminium matrix composites have been addressed by means of the LMM. The session of MMCs has been chaired by Dr Yan Li, Assistant Professor at the Department of Mechanical and Aerospace Engineering at California State University and expert in the area of mechanics of advanced materials, involving multiscale/Multiphysics modelling. During this event, Mr Giugliano received numerous positive comments and now he is preparing a full journal paper as result of this achievement.

SILA Group Contribution to the ANRC Technical Committee Meeting

August 29, 2017

Mr Dario Giugliano and Mr Manu Puliyaneth, researchers of SILA group, presented the latest developements of the Linear Matching Method (LMM) for creep-fatigue interaction assessment of structral components found in nuclear power plants at the Advanced Nuclear Research Centre (ANRC) technical committee meeting held at the Technology & Innovation Centre (Glasgow) on 30th August 2017. Pioneers of the field found the talk engaging and showed interest in collaborating with the SILA group for future research and exchange of knowledge.

Dr Haofeng Chen received an award in 2017 ASME Pressure Vessel and Piping Conference, Hawaii

July 18, 2017

Dr Haofeng Chen attended 2017 ASME Pressure Vessel and Piping Conference in Hawaii, and presented a paper titled "Direct Method on Creep Fatigue Damage Assessment Considering Full Creep-Cyclic Plasticity Interaction". In addition he chaired a technical session "CREEP AND CREEP-FATIGUE INTERACTION" during the conference. Dr Chen also received an award at the 2017 ASME PVP Honors and Awards Gala for the appreciation of his serving as the Associate Editor of Journal of Pressure Vessel and Technology.

Ross Besleey sucessfully defended his PhD thesis

May 23, 2017

The viva has been successfully passed with minor corrections by Ross.  His work has been reviewed by Dr Qiang Xu Senior Lecturer at the University of Huddersfield, Dr Wenke Pan Principle Engineer at Siemens  and Professor James Boyle from the University of Strathclyde.

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