tire.rb

   Tire.index('techniques') do
     delete
     create \
        settings: {
          index: {
            :analysis => {
               :analyzer=> {
                 :index_analyzer=> {
                   :tokenizer=> "standard",
                   :filter=> ["standard", "my_delimiter", "lowercase", "stop", "asciifolding", "porter_stem"]
                 },
                 :search_analyzer=> {
                   :tokenizer=> "standard",
                   :filter=> ["standard", "lowercase", "stop", "asciifolding", "porter_stem"]
                 }
               },
               :filter=> {
                 :my_delimiter=> {
                   :type=> "word_delimiter",
                   :generate_word_parts=> true,                
                   :catenate_words=> true,
                   :catenate_numbers=> true,
                   :catenate_all=> true,
                   :split_on_case_change=> true,
                   :preserve_original=> true,
                   :split_on_numerics=> true,
                   :stem_english_possessive=> true
                 }
               }
             }
          },
        },
        mappings: {
          technique: {
            properties: {
              name: {
                type: 'string', 
                boost: 10.0,
                index: "analyzed",
                index_analyzer: "index_analyzer",
                search_analyzer: "search_analyzer",
                store: "yes"
              }
            }
          }
        }
   end

wrong.rb

class Technique < ActiveRecord::Base
  
  include Tire::Model::Search
  include Tire::Model::Callbacks
  
  settings( {
     :analysis => {
       :analyzer=> {
         :index_analyzer=> {
           :tokenizer=> "standard",
           :filter=> ["standard", "my_delimiter", "lowercase", "stop", "asciifolding", "porter_stem"]
         },
         :search_analyzer=> {
           :tokenizer=> "standard",
           :filter=> ["standard", "lowercase", "stop", "asciifolding", "porter_stem"]
         }
       },
       :filter=> {
         :my_delimiter=> {
           :type=> "word_delimiter",
           :generate_word_parts=> true,                
           :catenate_words=> true,
           :catenate_numbers=> true,
           :catenate_all=> true,
           :split_on_case_change=> true,
           :preserve_original=> true,
           :split_on_numerics=> true,
           :stem_english_possessive=> true
         }
       }
     }
   }) do
     
     mapping do
       indexes :name,
         :type => 'string', 
         :boost => 100, 
         :index => "analyzed", 
         :index_analyzer => "index_analyzer", 
         :search_analyzer => "search_analyzer", 
         :store => "yes"
     end   
     
   end
end