$Header: /var/cvs/mbdyn/mbdyn/mbdyn-1.0/CHANGES,v 1.802 2014/07/31 14:06:26 masarati Exp $ MBDyn (C) is a multibody analysis code. http://www.mbdyn.org Copyright (C) 1996-2014 Pierangelo Masarati Paolo Mantegazza MBDyn 1.5.6 Enhancements: - added explicit cast to math parser - added loads fade-in in module-aerodyn (Jens van Schelve, Patrick Rix) - added "drivep" (derivative) function to model namespace - added measures in aircraft instruments - added axial constitutive law wrapper - added simple gear joint (Eduardo Okabe) - added kinetic energy in automatic structural element private data - added "postponed" drive caller capability - added max time step as drive (Reinhard Resch) - added min/max drive caller (Reinhard Resch) - added output of drive callers (Reinhard Resch) - added tracing of drive callers (Reinhard Resch) - added improved scaling (Reinhard Resch) - added support for automatic differentiation (Reinhard Resch) - improved step size control (Reinhard Resch) - improved hydrodynamic plain bearing (Reinhard Resch) - improved module-octave (Reinhard Resch) - added check for symmetry of inertia tensor - added several modules by Eduardo Okabe (module-fab-*/) - added algebraic equations scaling (Reinhard Resch) - added support for octave 3.8.1 (Reinhard Resch) - more joints with NetCDF support (Louis Gagnon) - added output of electric nodes (Eduardo Okabe) - added check for finite test (Reinhard Resch) Backward compatibility issues: - "overwrite" option of "setenv" changed - incompatible module-aerodyn syntax change - reference systems of aircraft instruments changed - reworked orientation description within node input according to documentation (was inconsistent) Known issues: - Schur solver is broken - TotalPinJoint inverse dynamics support is broken - RTAI and multithread support incompatible - module-octave and multithread support incompatible Bug fixes: - fixed rotor radius in module-aerodyn (Jens van Schelve) - fixed redeclaration without definition of already defined ifndef vars - fixed reference orientation reset after initial assembly (Reinhard Resch) - fixed inertia computation with structural displacement nodes (noted by Mattia Alioli) - fixed data initialization in external struct mapping with membrane elements - fixed bug in Cardano hinge initial assembly - fixed bug in driven element when internal states are differential (Reinhard Resch) - fixed memory issue in eigenanalysis (Reinhard Resch) - fixed bug in acceleration computation (noted by Reinhard Resch) - fixed bug in rigid body kinetic energy (Reinhard Resch) MBDyn 1.5.5 Enhancements: - added Umfpack solver iterative refinement support (Reinhard Resch) - added built in drive callers interface to module-octave (Reinhard Resch) - added scaling support to Naive, Umfpack and KLU solvers (based on patch by Reinhard Resch) Backward compatibility issues: - old binary modal joint databases no longer supported - cyclocopter inflow models moved to module-cyclocopter Known issues: - Schur solver is broken - TotalPinJoint inverse dynamics support is broken - RTAI and multithread support incompatible - module-octave and multithread support incompatible Bug fixes: - fix binary modal joint database in MinGW - fix undefined const error message bug - fix libtool lang tag for run-time loadable modules (noted by Jens van Schelve) - fix electric elements parsing (noted by Morten Ketelsen) - fix parsing on win32: MinGW/MSYS (Reinhard Resch) - fix naive multithread assembly bug MBDyn 1.5.4 Enhancements: - added '-N' command-line switch to set threads number - added module-nonsmooth-node: non-smooth dynamics support using SICONOS (Matteo Fancello) - added 3D variant of continuous contact constitutive law (Matteo Fancello) - added line search nonlinear solver (Reinhard Resch) - added condition number output (Reinhard Resch) - added scalar support genel private data (Reinhard Resch) Backward compatibility issues: Known issues: - Schur solver is broken - TotalPinJoint inverse dynamics support is broken - RTAI and multithread support incompatible - module-octave and multithread support incompatible Bug fixes: - simplify escaping of delimiter in input - fix deformable hinge early Jacobian assembly (noted by Filippo Tunesi) - fix conjugate transpose of `X' in pod.m - fix modal element when origin redefined (noted by Sebastiano Fichera) - fix block 11 one row too much in output of femgen (noted by Sebastiano Fichera) - fix arpack memory issue (noted by Reinhard Resch) - fixed NaivePermMatrixHandler resize (noted by Reinhard Resch) - fix array drive caller derivative bug - fix missing space in mode output for matlab/octave (Reinhard Resch) MBDyn 1.5.3 Enhancements: - added forces NetCDF support (Louis Gagnon) - added support for modal damping matrix in modal joint db - femgen(1) more user friendly (and documented) Backward compatibility issues: - nodes and elements now handled in strict input order Known issues: - Schur solver is broken - TotalPinJoint inverse dynamics support is broken - RTAI and multithread support incompatible - module-octave and multithread support incompatible Bug fixes: - fix multiple statements bug in string drive caller - fix (harmless) memory issue in structural mapping force - fix integer division bug in aeromodal element MBDyn 1.5.2 Enhancements: - added AfterPredict & Restart to module-octave (Reinhard Resch) - added inverse square constitutive law Backward compatibility issues: - "index" form for priv data is deprecated Known issues: - Schur solver is broken - TotalPinJoint inverse dynamics support is broken - RTAI and multithread support incompatible - module-octave and multithread support incompatible Bug fixes: - fix restart bug (Reinhard Resch) - fix initialization issues (Marco Morandini) - fix dist of mbc_py_interface.py (noted by Gaël Ecorchard) MBDyn 1.5.1 Enhancements: - added "ifndef" declaration modifier for var redefinition - added module-nodedistdrive (Reinhold Resch) Backward compatibility issues: - moved GRAALL damper to module-damper-graall Known issues: - Schur solver is broken - TotalPinJoint inverse dynamics support is broken - RTAI and multithread support incompatible - module-octave and multithread support incompatible Bug fixes: - fix build when sched_setaffinity() is unavailable - fix file name handling in windows (mingw) MBDyn 1.5.0 Enhancements: - added displacement-only nodes and selected basic elements - added membrane element (Marco Morandini & Tommaso Solcia) - added continuous contact constitutive law (Matteo Fancello) - added inverse dynamics body for weight tailoring - added "other" specifier to total pin joint input - added dof stats output to file (Reinhard Resch) - added '-E' to enable fpe checking - added module-octave and related modules (Reinhard Resch) - drive drive made differentiable (Reinhard Resch) - added "m" (mass) to body private data (Louis Gagnon) - added module-eu2phi TplDriveCaller wrapper (suggested by Tingnan Zhang) - added built-in 'TRUE' and 'FALSE' boolean const vars - added built-in int/real limit const vars - added module-wheel4 (Louis Gagnon) Backward compatibility issues: Known issues: - Schur solver is broken - TotalPinJoint inverse dynamics support is broken - RTAI and multithread support incompatible - module-octave and multithread support incompatible Bug fixes: - fix output file name ext. issue (noted by Jens van Schelve) - fix totalj rel. rot. priv data (noted by Jens van Schelve) - fix beam default output (noted by Reinhard Resch) - fix linear/angular acceleration joint initialization - fix initial assembly required by userelem (Reinhard Resch) - fix "wrong type" diagnostic message in math parser - fix initial assembly matrix reset (noted by Reinhard Resch) - fix uninitialized array in modal joint parsing (noted by Domenico Capobianco) - fix 'print: all' - fix linking of NetCDF 4.X (noted by Patrick Rix)