Sökning: "Pär Wikman"

Hittade 2 avhandlingar innehållade orden Pär Wikman.

1. 1. Kulturgeografin tar plats i välfärdsstaten : Vetenskapliga modeller och politiska reformer under efterkrigstidens första decennier

   Författare :Pär Wikman; Per Lundin; Niklas Stenlås; Magnus Eklund; David Larsson Heidenblad; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Postwar social science; history of geography; history of planning; central place theory; Torsten Hägerstrand; municipal reforms; reform technocrats;

   Sammanfattning : The aim of this study is to explain why human geography in Sweden became a planning science during the postwar period. Human geography had developed a sophisticated use of abstract models. The proliferation of models within in the social sciences was an international phenomenon during the postwar period. LÄS MER

3. 2. Towards Discrete Element Modelling of Rock Drilling

   Författare :Albin Wessling; Simon Larsson; Pär Jonsén; Jörgen Kajberg; Bengt Wikman; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; DEM Rock Dynamic Drilling; Hållfasthetslära; Solid Mechanics;

   Sammanfattning : The method of percussive rotary drilling is recognized as the most efficient method for hard rock drilling. Despite the clear advantages over conventional rotary meth-ods, there are still uncertainties associated with percussive rotary drilling. LÄS MER