1. Professor, Dept. of Structural Mechanics, Łódź Univ. of Technology, Al. Politechniki 6, 90-924 Łódź, Poland (corresponding author). ORCID: .
2. Ph.D. Student, Dept. of Structural Mechanics, Łódź Univ. of Technology, Al. Politechniki 6, 90-924 Łódź, Poland.