re parametric variational design here now some initial references best regards walter inproceedings keirouz et al author walid keirouz and jahir pabon and robert young title integrating parametric geometry features and variational modeling for conceptual design booktitle international conference on design theory and methodology year editor j r rinderle pages organization american society of mechanical engineers asme optpublisher optaddress optmonth note proceedings inproceedings yamaguchi kimura author yasushi yamaguchi and fumihiko kimura title a constraint modeling system for variational geometry booktitle geometric modeling for product engineering year editor michael j wozny and j u turner and k preiss pages organization ifip publisher elsevier science publishers b v north holland amsterdam the netherlands optaddress optmonth note selected and expanded papers form the ifip wg nsf working conference on geometric modeling rensselaerville ny u s a september inproceedings chung et al author jack c h chung and joseph w klahs and robert l cook and thijs sluiter title implementation issues in variational geometry and constraint management booktitle third international conference on cad cam robotics and factories of the future cars and fof year opteditor optpages optorganization optpublisher address detroit michigan usa month august note proceedings probably springer verlag berlin heidelberg article kimura et al author fumihiko kimura and hiromasa suzuki and toshio sata title variational product design by constraint propagation and satisfaction in product modelling journal annals of the cirp year volume number pages optmonth note probably international institution for production engineering research article kimura et al author f kimura and h suzuki and h ando and t sato and a kinosada title variational geometry based on logical constraints and its applications to product modelling journal annals of the cirp year volume number pages inproceedings chung schussel author jack c h chung and martin d schussel title comparison of variational and parametric design booktitle autofact year opteditor pages optorganization optpublisher address detroit michigan usa month october november note conference proceedings article pabon et al author jahir pabon and robert young and walid keirouz title integrating parametric geometry features and variational modeling for conceptual design journal international journal of systems automation research and applications sara year volume optnumber pages optmonth optnote article kondo author koichi kondo title pigmod parametric and interactive geometric modeller for mechanical design journal cad computer aided design year volume number pages month december note butterworth heinemann ltd inproceedings zalik et al a author borut v z alik and nikola guid and aleksander vesel title parametric design using constraint description graph booktitle cad neue konzepte zur realisierung anwendungsorientierter cad systeme year editor frank lothar krause and detlev ruland and helmut jansen pages optorganization publisher informatik aktuell springer verlag berlin heidelberg optaddress month mai note gi fachtagung berlin inproceedings murtagh shimura author niall murtagh and masamichi shimura title parametric engineering design using constraint based reasoning booktitle aaai eighth national conference on artificial intelligence year opteditor pages organization american association for artificial intelligence publisher proceedings volume one aaai press menlo park ca u s a address boston ma month july august optnote
