Sökning: "dan lund"

Visar resultat 1 - 5 av 20 avhandlingar innehållade orden dan lund.

  1. 1. Cost Optimization of Aircraft Structures

    Författare :Markus Kaufmann; Dan Zenkert; Malin Åkermo; Per Wennhage; Erik Lund; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; aircraft structures; optimization; cost estimation; manufacturing cost; direct operating cost; multiobjective optimization; multidisciplinary optimization; composites; airframe design; Vehicle engineering; Farkostteknik;

    Sammanfattning : Composite structures can lower the weight of an airliner significantly. Due to the higher process complexity and the high material cost, however, the low weight often comes with a significant increase in production cost. The application of cost-effective design strategies is one mean to meet this challenge. LÄS MER

  3. 2. Meniscus tear; Knee arthroscopy; clinical practice and sick leave

    Författare :Dan Bergkvist; Lund Ortopedi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; menisk; sjukskrivning; klinisk praksis;

    Sammanfattning : Knäleden är kroppens största led och är påtagligt komplicerad. Den utsätts dagligen för stora krafter vid såväl böj och vridrörelser som stötkrafter vid stegisättning. För att den skall fungera optimalt måste flera olika komponenter samverka. LÄS MER

  4. 3. Recurrent groin hernia - Outcome after surgery

    Författare :Dan Sevonius; Lund Kirurgi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Groin hernia; inguinal hernia; recurrence; re-recurrence; mesh repair; chronic pain; hernia register;

    Sammanfattning : Background: According to the Swedish Hernia Register (SHR), the reoperation rate after recurrent groin hernia is more than twice that following primary hernia repair. Aims: To study the impact of method of mesh repair used in recurrent groin hernia surgery on re-recurrence as well as chronic pain and physical disability. LÄS MER

  5. 4. Essays on Pensions and Information

    Författare :Dan Anderberg; Nationalekonomiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Education Policies; Time-consistency; Education Incentives; Cross-subsidies; Redistribution; Moral Hazard; Disability Insurance; Public Pensions; Voting; Assets; Adverse selection; Private pension markets; Actuarial science; Försäkring ej försäkringsrätt S137 ;

    Sammanfattning : The first essay examines the outcome in a competitive private pension market characterised by adverse selection. In addition to using the private pension market, the consumers can save in a bequeathable asset. LÄS MER

  7. 5. Gastroesophageal reflux disease - complications and prognostic aspects

    Författare :Dan Falkenback; Lund Kirurgi; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Gastroesophageal reflux disease; Barrett s esophagus; natural course; GERD; Adenocarcinoma; prognosis; biomarkers;

    Sammanfattning : This thesis investigates several aspects on gastroesophageal reflux disease (GERD) and associated complications as Barrett’s esophagus and esophageal adenocarcinoma. I. To clarify the natural course of GERD, a pH-metry verified cohort was re-evaluated after 20 years. The course of GERD may well be progressive. LÄS MER