Sökning: "global waves"

Visar resultat 6 - 10 av 71 avhandlingar innehållade orden global waves.

1. 6. Tidally generated internal waves

   Författare :Saeed Falahat; Jonas Nycander; Sonya Legg; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Tidally generated internal waves in the deep ocean; atmosfärvetenskap och oceanografi; Atmospheric Sciences and Oceanography;

   Sammanfattning : This thesis deals with the internal tide in the deep ocean, which is generated by the barotropic tide flowing over the bottom topography. The energy flux from the barotropic tide to the internal-wave field at the bottom is calculated using a method based on linear-wave theory and the traditional WKB approximation valid for a slowing varying vertical stratification. LÄS MER

3. 7. Diversity, dynamics and deficits : the role of social networks for the health of aging populations in Indonesia

   Författare :Julia Schröders; Miguel San Sebastian; Maria Nilsson; Fatwa Sari Tetra Dewi; Mark Nichter; Andreas Motel-Klingebiel; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; social networks; loneliness; aging; older adult health; noncommunicable diseases; disablement processes; healthcare utilization; elderly care; mixed-methods; causal inference; Indonesia;

   Sammanfattning : Background: This thesis takes as a predicate that humans are social animals and as such, that their social networks and health are intrinsically connected. A guiding heuristic of this thesis was the Berkman model which conceptualizes how social networks impact health. LÄS MER

4. 8. Drift Waves in General Toroidal Equilibria

   Författare :Johan Anderson; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; fusion plasmas; instabilities; toroidal geometry; drift waves;

   Sammanfattning : One of the main concerns in fusion research is to understand the anomalously high transport in magnetically confined plasmas. In recent years, substantial progress in the understanding of transport in terms of drift waves in fusion plasmas has been achieved. LÄS MER

5. 9. Ships, clouds, and waves : understanding ecosystems in traditional industries

   Författare :Peter Gustafsson; Zsuzsanna Vincze; Sujith Nair; Llewellyn D.W. Thomas; Umeå universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Ecosystems; Orchestration; Emergence; Traditional Industries; Shipbuilding; Resource Dependence Theory; Collective Action Theory; Corporate Political Activity;

   Sammanfattning : This dissertation builds on a jointly phenomenological and theoretical approach to investigate how traditional industries face challenges related to ecosystem innovation. Phenomenologically, it investigates how innovation within the shipbuilding industry affects the activities performed by firms that have traditionally filled the role of suppliers to shipyards. LÄS MER

7. 10. On some Nonlinear Aspects of Wave Motion

   Författare :Erik Wahlén; Partiella differentialekvationer; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; water waves; bifurcation; global existence; rod equation; wabve breaking;

   Sammanfattning : In the first part of this thesis we consider the governing equations for capillary water waves given by the Euler equations with a free surface under the influence of surface tension over a flat bottom. We look for two-dimensional steady periodic waves. The problem is first transformed to a nonlinear elliptic equation in a rectangle. LÄS MER