@ARTICLE{Bijak_R._O_2016, author={Bijak, R. and Kołodziej, G.}, number={No 1}, journal={Archives of Civil Engineering}, pages={25-36}, howpublished={online}, year={2016}, publisher={WARSAW UNIVERSITY OF TECHNOLOGY FACULTY OF CIVIL ENGINEERING and COMMITTEE FOR CIVIL ENGINEERING POLISH ACADEMY OF SCIENCES}, abstract={Deriving the formulas for strain components, we are assuming, that cross-section of a rod being rotated in space during deformation does not need to be perpendicular to deformed centroid line. This not a quite intuitive assumption allows for more compact and easier formulas for strain tensor or equilibrium equations. Derived transformations between actual and initial coordinate system, components of strain tensor and virtual works principle for investigated spatially curved beams of bisymmetric cross-section are shown in this paper. Conformity with other models from referenced literature is also shown.}, type={Artykuły / Articles}, title={O skończonych odkształceniach bisymetrycznych, zakrzywionych przestrzennie belek o przekroju cienkościennym}, title={On finite deformations of spatially curved bisymmetric thin-walled rods}, URL={http://www.czasopisma.pan.pl/Content/84069/mainfile.pdf}, keywords={belki zakrzywione w przestrzeni, przekroje bisymetryczne, duże odkształcenia, aproksymacja skończonych obrotów, model Reissnera, hipoteza Bernoulliego, space-curved thin-walled rods, bisymmetric cross-sections, finite deformations, second-order approximations of finite rotations, Reissner model, Bernoulli hypothesis}, }