Information about Author
Name, Surname:

Jānis Vārna

Department:

(31200) Augstas veiktspējas materiālu un konstrukciju institūts

Scientific Degree:

Doktors

E-mail:

Janis.Varna_3(at)rtu.lv

Publications
39 items found, displaying 11 to 20.
Effect of Material State and Temperature on Nonlinear Viscoelastic Response: 3D Constitutive Model and Incremental Formulation for Numerical Analysis
(2023)
Jānis Vārna, Līva Pupure
Scientific article indexed in SCOPUS or WOS database
Development of Methodology for Experimental Parameter Identification for Inelastic 3D Material Model
(2022)
Līva Pupure, Jānis Vārna, Rihards Gailītis, Zainab Al-Maqdasi, Leonīds Pakrastiņš
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Digital Image Correlation (DIC) Validation of Engineering Approaches for Bending Stiffness Determination of Damaged Laminates
(2022)
Andrejs Pupurs, Mohamed Loukil, Jānis Vārna
Scientific article indexed in SCOPUS or WOS database
Does the Viscoelastic Behavior of Fully Cured Epoxy Depend on the Thermal History during Curing?
(2022)
Stephanie Goncalves Nunes, Zainab Al-Maqdasi, Patrik Fernberg, Sandro Amico, Jānis Vārna
Scientific article indexed in SCOPUS or WOS database
Physical Aging Effect on Viscoelastic Behavior of Polymers
(2022)
Stephanie Goncalves Nunes, Roberts Joffe, Nazanin Emami, Patrik Fernberg, Sibin Saseendran, A Esposita, Sandro Amico, Jānis Vārna
Scientific article indexed in SCOPUS or WOS database
Shift Factor Dependence on Physical Aging and Temperature for Viscoelastic Response of Polymers
(2022)
Stephanie Goncalves Nunes, Sibin Saseendran, Patrik Fernberg, Emami Nazanin, Antonella Esposito, Sandro Amico, Jānis Vārna
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
The Effect of Short Carbon Fibers on Viscoelastic Behavior of UHMWPE
(2022)
Stephanie Goncalves Nunes, Roshan Swan, Emami Nazanin, Jānis Vārna
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Bending Stiffness of Damaged Cross-Ply Laminates
(2021)
Andrejs Pupurs, Mohamed Loukil, Jānis Vārna
Scientific article indexed in SCOPUS or WOS database
Challenges in Developing of 3D Nonlinear Viscoelastic Models
(2021)
Līva Pupure, Leonīds Pakrastiņš, Jānis Vārna
Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Mechanical Properties of Natural Fiber Composites Produced Using Dynamic Sheet Former
(2020)
Līva Pupure, Jānis Vārna, Roberts Joffe, Frederik Berthold, Arttu Miettinen
Scientific article indexed in SCOPUS or WOS database

Projects
3 items found, displaying 1 to 3.
Būvniecības un rekonstrukcijas institūts (34-24200-N7045.1)
Citi
Leonīds Pakrastiņš
Jaunie "gudrie" nano-komozītie materiāli ceļiem, tiltiem, būvēm un transporta mašīnām
Materiālu tehnoloģija
Andrejs Krasņikovs
Materiālu Eksperimentālās Mehānikas Zinātniskā laboratorija (MEMZL)
Mašīnbūve
Andrejs Pupurs
CONTACTS

IT Service Centre
6B Kipsalas Street, Riga LV-1048, Latvia
Phone: +371 67089999
E-mail: it@rtu.lv
LINKS

Research
Open Science
© Riga Technical University 2025
We use cookies to improve the user experience of the portal and provide more convenient usage. By continuing to use the portal, you agree that you use cookies.
Accept Read more