{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,26]],"date-time":"2023-10-26T09:13:20Z","timestamp":1698311600922},"reference-count":24,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2006,10,31]],"date-time":"2006-10-31T00:00:00Z","timestamp":1162252800000},"content-version":"vor","delay-in-days":4140,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Visual. Comput. Animat."],"published-print":{"date-parts":[[1995,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>An interesting problem in the oil and gas industry is the visualization of the movement of oil and gas in porous media. An example of such a medium is a rock sample with some distribution of holes (pores) connected by channels (pore throats), the solid parts of the rock are called grains. In our work we have simulated the porous medium using a pointer\u2010based octree, representing these pores and grains. This data structure allows us to model the connectivity of the pores and thus visualize fluid penetration within the medium. Whereas earlier models represent a serious simplifications or two dimensional homogeneous layers, our model provides us with a statistically accurate distribution in three dimensions and a more accurate representation of the connectivity.<\/jats:p><jats:p>In this paper we present our data structure and the techniques which were used to create models of porous media and their porous networks. Next, we present algorithms for connectivity in octrees and we show how to apply them to modelling and visualization of fluid penetration in porous media.<\/jats:p>","DOI":"10.1002\/vis.4340060306","type":"journal-article","created":{"date-parts":[[2006,11,17]],"date-time":"2006-11-17T14:50:06Z","timestamp":1163775006000},"page":"173-189","source":"Crossref","is-referenced-by-count":1,"title":["Visualization of connectivity in octree based models"],"prefix":"10.1002","volume":"6","author":[{"given":"Leon L.","family":"Fedenczuk","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian","family":"Wyvill","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,10,31]]},"reference":[{"key":"e_1_2_1_2_2","volume-title":"Interfacial Phenomena in Petroleum Recovery","author":"Morrow Norman R.","year":"1990"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00137851"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.2118\/92-09-06"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1190\/1.1442252"},{"key":"e_1_2_1_6_2","volume-title":"Computer Simulation Techniques","author":"Naylor T. 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